11947064740 has 48 divisors (see below), whose sum is σ = 27028431360. Its totient is φ = 4409642880.

The previous prime is 11947064719. The next prime is 11947064747. The reversal of 11947064740 is 4746074911.

It is not an unprimeable number, because it can be changed into a prime (11947064747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918885 + ... + 931795.

It is an arithmetic number, because the mean of its divisors is an integer number (563092320).

Almost surely, 2^11947064740 is an apocalyptic number.

11947064740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11947064740 is an abundant number, since it is smaller than the sum of its proper divisors (15081366620).

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

11947064740 is a wasteful number, since it uses less digits than its factorization.

11947064740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16492 (or 16490 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 11947064740 in words is "eleven billion, nine hundred forty-seven million, sixty-four thousand, seven hundred forty".