1055455605500 has 96 divisors (see below), whose sum is σ = 2330384067648. Its totient is φ = 417563040000.

The previous prime is 1055455605499. The next prime is 1055455605521. The reversal of 1055455605500 is 55065545501.

It is a happy number.

It is a super-2 number, since 2×1055455605500² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50338019 + ... + 50358981.

It is an arithmetic number, because the mean of its divisors is an integer number (24274834038).

Almost surely, 2^{1055455605500} is an apocalyptic number.

1055455605500 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 1055455605500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165192033824).

1055455605500 is an abundant number, since it is smaller than the sum of its proper divisors (1274928462148).

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

1055455605500 is a wasteful number, since it uses less digits than its factorization.

1055455605500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22080 (or 22068 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 1055455605500 in words is "one trillion, fifty-five billion, four hundred fifty-five million, six hundred five thousand, five hundred".