11964973580 has 48 divisors (see below), whose sum is σ = 28750854720. Its totient is φ = 4097288448.

The previous prime is 11964973577. The next prime is 11964973591. The reversal of 11964973580 is 8537946911.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64514 + ... + 167606.

It is an arithmetic number, because the mean of its divisors is an integer number (598976140).

Almost surely, 2^11964973580 is an apocalyptic number.

11964973580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11964973580 is an abundant number, since it is smaller than the sum of its proper divisors (16785881140).

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

11964973580 is a wasteful number, since it uses less digits than its factorization.

11964973580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103938 (or 103936 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 11964973580 in words is "eleven billion, nine hundred sixty-four million, nine hundred seventy-three thousand, five hundred eighty".