11751540164 has 24 divisors (see below), whose sum is σ = 25311010368. Its totient is φ = 4648960800.

The previous prime is 11751540131. The next prime is 11751540193. The reversal of 11751540164 is 46104515711.

It is a super-2 number, since 2×11751540164² (a number of 21 digits) contains 22 as substring.

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, 16141862 + ... + 16142589.

It is an arithmetic number, because the mean of its divisors is an integer number (1054625432).

Almost surely, 2^11751540164 is an apocalyptic number.

11751540164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11751540164 is an abundant number, since it is smaller than the sum of its proper divisors (13559470204).

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

11751540164 is a wasteful number, since it uses less digits than its factorization.

11751540164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32284475 (or 32284473 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 11751540164 in words is "eleven billion, seven hundred fifty-one million, five hundred forty thousand, one hundred sixty-four".