11717564120 has 32 divisors (see below), whose sum is σ = 26375824800. Its totient is φ = 4685015808.

The previous prime is 11717564101. The next prime is 11717564123. The reversal of 11717564120 is 2146571711.

It is a super-2 number, since 2×11717564120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717564123) 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, 33461 + ... + 156699.

It is an arithmetic number, because the mean of its divisors is an integer number (824244525).

Almost surely, 2^11717564120 is an apocalyptic number.

11717564120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11717564120 is an abundant number, since it is smaller than the sum of its proper divisors (14658260680).

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

11717564120 is a wasteful number, since it uses less digits than its factorization.

11717564120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125627 (or 125623 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

The spelling of 11717564120 in words is "eleven billion, seven hundred seventeen million, five hundred sixty-four thousand, one hundred twenty".