11947034372 has 96 divisors (see below), whose sum is σ = 26704608000. Its totient is φ = 4645783296.

The previous prime is 11947034347. The next prime is 11947034381. The reversal of 11947034372 is 27343074911.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046648 + ... + 1058000.

It is an arithmetic number, because the mean of its divisors is an integer number (278173000).

Almost surely, 2^11947034372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11947034372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13352304000).

11947034372 is an abundant number, since it is smaller than the sum of its proper divisors (14757573628).

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

11947034372 is a wasteful number, since it uses less digits than its factorization.

11947034372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450 (or 11434 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 11947034372 in words is "eleven billion, nine hundred forty-seven million, thirty-four thousand, three hundred seventy-two".