1101564955 has 16 divisors (see below), whose sum is σ = 1330560000. Its totient is φ = 875484000.

The previous prime is 1101564941. The next prime is 1101564973. The reversal of 1101564955 is 5594651011.

It is not a de Polignac number, because 1101564955 - 2⁵ = 1101564923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625366 + ... + 627124.

It is an arithmetic number, because the mean of its divisors is an integer number (83160000).

Almost surely, 2^1101564955 is an apocalyptic number.

1101564955 is a deficient number, since it is larger than the sum of its proper divisors (228995045).

1101564955 is a wasteful number, since it uses less digits than its factorization.

1101564955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 1101564955 is about 33189.8321026184. The cubic root of 1101564955 is about 1032.7694204351.

The spelling of 1101564955 in words is "one billion, one hundred one million, five hundred sixty-four thousand, nine hundred fifty-five".