1157901553 has 16 divisors (see below), whose sum is σ = 1267302400. Its totient is φ = 1053861840.

The previous prime is 1157901539. The next prime is 1157901587. The reversal of 1157901553 is 3551097511.

It is a cyclic number.

It is not a de Polignac number, because 1157901553 - 2²⁵ = 1124347121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157901853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74800 + ... + 88942.

It is an arithmetic number, because the mean of its divisors is an integer number (79206400).

Almost surely, 2^1157901553 is an apocalyptic number.

It is an amenable number.

1157901553 is a deficient number, since it is larger than the sum of its proper divisors (109400847).

1157901553 is a wasteful number, since it uses less digits than its factorization.

1157901553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14332.

The product of its (nonzero) digits is 23625, while the sum is 37.

The square root of 1157901553 is about 34027.9525243586. The cubic root of 1157901553 is about 1050.0836072503.

The spelling of 1157901553 in words is "one billion, one hundred fifty-seven million, nine hundred one thousand, five hundred fifty-three".