1055111201532 has 72 divisors (see below), whose sum is σ = 2827263020400. Its totient is φ = 330629764608.

The previous prime is 1055111201513. The next prime is 1055111201561. The reversal of 1055111201532 is 2351021115501.

It is a happy number.

1055111201532 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 1 + 1 + 120 + 1 + 532 = 666.

It is a super-2 number, since 2×1055111201532² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055111201496 and 1055111201505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477807 + ... + 1529222.

It is an arithmetic number, because the mean of its divisors is an integer number (39267541950).

Almost surely, 2^{1055111201532} is an apocalyptic number.

1055111201532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1055111201532 is an abundant number, since it is smaller than the sum of its proper divisors (1772151818868).

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

1055111201532 is a wasteful number, since it uses less digits than its factorization.

1055111201532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007915 (or 2007910 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The spelling of 1055111201532 in words is "one trillion, fifty-five billion, one hundred eleven million, two hundred one thousand, five hundred thirty-two".