11772311313 has 16 divisors (see below), whose sum is σ = 18206504960. Its totient is φ = 6626630736.

The previous prime is 11772311297. The next prime is 11772311333. The reversal of 11772311313 is 31311327711.

It is not a de Polignac number, because 11772311313 - 2⁴ = 11772311297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11772311333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4182073 + ... + 4184886.

It is an arithmetic number, because the mean of its divisors is an integer number (1137906560).

Almost surely, 2^11772311313 is an apocalyptic number.

It is an amenable number.

11772311313 is a deficient number, since it is larger than the sum of its proper divisors (6434193647).

11772311313 is an equidigital number, since it uses as much as digits as its factorization.

11772311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367036.

The product of its digits is 2646, while the sum is 30.

The spelling of 11772311313 in words is "eleven billion, seven hundred seventy-two million, three hundred eleven thousand, three hundred thirteen".