1156888564 has 24 divisors (see below), whose sum is σ = 2181362400. Its totient is φ = 533685984.

The previous prime is 1156888553. The next prime is 1156888591. The reversal of 1156888564 is 4658886511.

It is a super-2 number, since 2×1156888564² = 2676782299027964192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 136227 + ... + 144469.

It is an arithmetic number, because the mean of its divisors is an integer number (90890100).

Almost surely, 2^1156888564 is an apocalyptic number.

It is an amenable number.

1156888564 is a deficient number, since it is larger than the sum of its proper divisors (1024473836).

1156888564 is a wasteful number, since it uses less digits than its factorization.

1156888564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10959 (or 10957 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 52.

The square root of 1156888564 is about 34013.0646075887. The cubic root of 1156888564 is about 1049.7772963812. Note that the first 3 decimals are identical.

The spelling of 1156888564 in words is "one billion, one hundred fifty-six million, eight hundred eighty-eight thousand, five hundred sixty-four".