11235521164 has 24 divisors (see below), whose sum is σ = 22473874080. Its totient is φ = 4814616576.

The previous prime is 11235521159. The next prime is 11235521191. The reversal of 11235521164 is 46112553211.

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, 255642 + ... + 296350.

It is an arithmetic number, because the mean of its divisors is an integer number (936411420).

Almost surely, 2^11235521164 is an apocalyptic number.

11235521164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11235521164 is an abundant number, since it is smaller than the sum of its proper divisors (11238352916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11235521164 is a wasteful number, since it uses less digits than its factorization.

11235521164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50577 (or 50575 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The spelling of 11235521164 in words is "eleven billion, two hundred thirty-five million, five hundred twenty-one thousand, one hundred sixty-four".