11947907132 has 12 divisors (see below), whose sum is σ = 23895814320. Its totient is φ = 5120531616.

The previous prime is 11947907117. The next prime is 11947907141. The reversal of 11947907132 is 23170974911.

11947907132 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213355457 + ... + 213355512.

It is an arithmetic number, because the mean of its divisors is an integer number (1991317860).

Almost surely, 2^11947907132 is an apocalyptic number.

It is an amenable number.

11947907132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11947907132 is a wasteful number, since it uses less digits than its factorization.

11947907132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426710980 (or 426710978 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 11947907132 in words is "eleven billion, nine hundred forty-seven million, nine hundred seven thousand, one hundred thirty-two".