1055131525503 has 64 divisors (see below), whose sum is σ = 1792985241600. Its totient is φ = 607300848000.

The previous prime is 1055131525501. The next prime is 1055131525571. The reversal of 1055131525503 is 3055251315501.

1055131525503 is a `hidden beast` number, since 1 + 0 + 5 + 51 + 3 + 1 + 52 + 550 + 3 = 666.

It is not a de Polignac number, because 1055131525503 - 2¹ = 1055131525501 is a prime.

It is a super-2 number, since 2×1055131525503² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055131525501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 478743 + ... + 1529528.

It is an arithmetic number, because the mean of its divisors is an integer number (28015394400).

Almost surely, 2^{1055131525503} is an apocalyptic number.

1055131525503 is a deficient number, since it is larger than the sum of its proper divisors (737853716097).

1055131525503 is a wasteful number, since it uses less digits than its factorization.

1055131525503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008381 (or 2008375 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 1055131525503 in words is "one trillion, fifty-five billion, one hundred thirty-one million, five hundred twenty-five thousand, five hundred three".