11656560970 has 16 divisors (see below), whose sum is σ = 21337434720. Its totient is φ = 4583596624.

The previous prime is 11656560967. The next prime is 11656561001. The reversal of 11656560970 is 7906565611.

It is a self number, because there is not a number n which added to its sum of digits gives 11656560970.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9877852 + ... + 9879031.

It is an arithmetic number, because the mean of its divisors is an integer number (1333589670).

Almost surely, 2^11656560970 is an apocalyptic number.

11656560970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11656560970 is a deficient number, since it is larger than the sum of its proper divisors (9680873750).

11656560970 is a wasteful number, since it uses less digits than its factorization.

11656560970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19756949.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 11656560970 in words is "eleven billion, six hundred fifty-six million, five hundred sixty thousand, nine hundred seventy".