11977906975706 has 16 divisors (see below), whose sum is σ = 20534175043200. Its totient is φ = 5133233646960.

The previous prime is 11977906975669. The next prime is 11977906975759. The reversal of 11977906975706 is 60757960977911.

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, 12440750 + ... + 13368921.

It is an arithmetic number, because the mean of its divisors is an integer number (1283385940200).

Almost surely, 2^{11977906975706} is an apocalyptic number.

11977906975706 is a deficient number, since it is larger than the sum of its proper divisors (8556268067494).

11977906975706 is a wasteful number, since it uses less digits than its factorization.

11977906975706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25842829.

The product of its (nonzero) digits is 315059220, while the sum is 74.

The spelling of 11977906975706 in words is "eleven trillion, nine hundred seventy-seven billion, nine hundred six million, nine hundred seventy-five thousand, seven hundred six".