11164235544 has 96 divisors (see below), whose sum is σ = 37697437440. Its totient is φ = 2899800000.

The previous prime is 11164235521. The next prime is 11164235557. The reversal of 11164235544 is 44553246111.

11164235544 is a `hidden beast` number, since 1 + 1 + 1 + 642 + 3 + 5 + 5 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11164235499 and 11164235508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1001332 + ... + 1012419.

It is an arithmetic number, because the mean of its divisors is an integer number (392681640).

Almost surely, 2^11164235544 is an apocalyptic number.

11164235544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11164235544 is an abundant number, since it is smaller than the sum of its proper divisors (26533201896).

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

11164235544 is a wasteful number, since it uses less digits than its factorization.

11164235544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013781 (or 2013774 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 11164235544 in words is "eleven billion, one hundred sixty-four million, two hundred thirty-five thousand, five hundred forty-four".