1055125553320 has 64 divisors (see below), whose sum is σ = 2381703966720. Its totient is φ = 420687074304.

The previous prime is 1055125553267. The next prime is 1055125553327. The reversal of 1055125553320 is 233555215501.

It is a super-2 number, since 2×1055125553320² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055125553320.

It is not an unprimeable number, because it can be changed into a prime (1055125553327) 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 15 ways as a sum of consecutive naturals, for example, 67702249 + ... + 67717831.

It is an arithmetic number, because the mean of its divisors is an integer number (37214124480).

Almost surely, 2^{1055125553320} is an apocalyptic number.

1055125553320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055125553320 is an abundant number, since it is smaller than the sum of its proper divisors (1326578413400).

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

1055125553320 is a wasteful number, since it uses less digits than its factorization.

1055125553320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20954 (or 20950 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 1055125553320 in words is "one trillion, fifty-five billion, one hundred twenty-five million, five hundred fifty-three thousand, three hundred twenty".