11755921713 has 32 divisors (see below), whose sum is σ = 16597647360. Its totient is φ = 7386297600.

The previous prime is 11755921703. The next prime is 11755921729. The reversal of 11755921713 is 31712955711.

It is not a de Polignac number, because 11755921713 - 2¹² = 11755917617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11755921703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2293968 + ... + 2299086.

It is an arithmetic number, because the mean of its divisors is an integer number (518676480).

Almost surely, 2^11755921713 is an apocalyptic number.

It is an amenable number.

11755921713 is a deficient number, since it is larger than the sum of its proper divisors (4841725647).

11755921713 is a wasteful number, since it uses less digits than its factorization.

11755921713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629.

The product of its digits is 66150, while the sum is 42.

The spelling of 11755921713 in words is "eleven billion, seven hundred fifty-five million, nine hundred twenty-one thousand, seven hundred thirteen".