11936924977 has 4 divisors (see below), whose sum is σ = 11942502516. Its totient is φ = 11931347440.

The previous prime is 11936924963. The next prime is 11936924981. The reversal of 11936924977 is 77942963911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10940323216 + 996601761 = 104596^2 + 31569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11936924977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11936924917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785558 + ... + 2789839.

It is an arithmetic number, because the mean of its divisors is an integer number (2985625629).

Almost surely, 2^11936924977 is an apocalyptic number.

It is an amenable number.

11936924977 is a deficient number, since it is larger than the sum of its proper divisors (5577539).

11936924977 is an equidigital number, since it uses as much as digits as its factorization.

11936924977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577538.

The product of its digits is 5143824, while the sum is 58.

The spelling of 11936924977 in words is "eleven billion, nine hundred thirty-six million, nine hundred twenty-four thousand, nine hundred seventy-seven".