1055299539840 has 2048 divisors, whose sum is σ = 4616158740480. Its totient is φ = 198747095040.

The previous prime is 1055299539839. The next prime is 1055299539841. The reversal of 1055299539840 is 489359925501.

It is an interprime number because it is at equal distance from previous prime (1055299539839) and next prime (1055299539841).

It is a super-2 number, since 2×1055299539840² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055299539841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 6721653042 + ... + 6721653198.

It is an arithmetic number, because the mean of its divisors is an integer number (2253983760).

Almost surely, 2^{1055299539840} is an apocalyptic number.

1055299539840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055299539840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2308079370240).

1055299539840 is an abundant number, since it is smaller than the sum of its proper divisors (3560859200640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055299539840 is a wasteful number, since it uses less digits than its factorization.

1055299539840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 17496000, while the sum is 60.

The spelling of 1055299539840 in words is "one trillion, fifty-five billion, two hundred ninety-nine million, five hundred thirty-nine thousand, eight hundred forty".