11507943312 has 60 divisors (see below), whose sum is σ = 32222243820. Its totient is φ = 3834077184.

The previous prime is 11507943311. The next prime is 11507943341. The reversal of 11507943312 is 21334970511.

11507943312 is a `hidden beast` number, since 1 + 150 + 79 + 433 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3859391376 + 7648551936 = 62124^2 + 87456^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11507943311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287808 + ... + 325344.

It is an arithmetic number, because the mean of its divisors is an integer number (537037397).

Almost surely, 2^11507943312 is an apocalyptic number.

11507943312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11507943312 is an abundant number, since it is smaller than the sum of its proper divisors (20714300508).

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

11507943312 is a wasteful number, since it uses less digits than its factorization.

11507943312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39680 (or 39671 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 11507943312 in words is "eleven billion, five hundred seven million, nine hundred forty-three thousand, three hundred twelve".