1055542660625 has 40 divisors (see below), whose sum is σ = 1388760579360. Its totient is φ = 799798320000.

The previous prime is 1055542660619. The next prime is 1055542660633. The reversal of 1055542660625 is 5260662455501.

It is not a de Polignac number, because 1055542660625 - 2⁸ = 1055542660369 is a prime.

It is a super-2 number, since 2×1055542660625² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055542660625.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67477805 + ... + 67493445.

It is an arithmetic number, because the mean of its divisors is an integer number (34719014484).

Almost surely, 2^{1055542660625} is an apocalyptic number.

It is an amenable number.

1055542660625 is a deficient number, since it is larger than the sum of its proper divisors (333217918735).

1055542660625 is an equidigital number, since it uses as much as digits as its factorization.

1055542660625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21363 (or 21348 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 1055542660625 in words is "one trillion, fifty-five billion, five hundred forty-two million, six hundred sixty thousand, six hundred twenty-five".