11172527164 has 24 divisors (see below), whose sum is σ = 19603841040. Its totient is φ = 5571449856.

The previous prime is 11172527161. The next prime is 11172527209. The reversal of 11172527164 is 46172527111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172527161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4330827 + ... + 4333405.

It is an arithmetic number, because the mean of its divisors is an integer number (816826710).

Almost surely, 2^11172527164 is an apocalyptic number.

It is an amenable number.

11172527164 is a deficient number, since it is larger than the sum of its proper divisors (8431313876).

11172527164 is a wasteful number, since it uses less digits than its factorization.

11172527164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037 (or 5035 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The spelling of 11172527164 in words is "eleven billion, one hundred seventy-two million, five hundred twenty-seven thousand, one hundred sixty-four".