1055115251564 has 24 divisors (see below), whose sum is σ = 2016153946128. Its totient is φ = 479159029440.

The previous prime is 1055115251551. The next prime is 1055115251587. The reversal of 1055115251564 is 4651525115501.

It is a super-2 number, since 2×1055115251564² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10921667 + ... + 11017850.

It is an arithmetic number, because the mean of its divisors is an integer number (84006414422).

Almost surely, 2^{1055115251564} is an apocalyptic number.

It is an amenable number.

1055115251564 is a deficient number, since it is larger than the sum of its proper divisors (961038694564).

1055115251564 is a wasteful number, since it uses less digits than its factorization.

1055115251564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21940625 (or 21940623 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 41.

The spelling of 1055115251564 in words is "one trillion, fifty-five billion, one hundred fifteen million, two hundred fifty-one thousand, five hundred sixty-four".