11799251957 has 4 divisors (see below), whose sum is σ = 11807385216. Its totient is φ = 11791118700.

The previous prime is 11799251951. The next prime is 11799251969. The reversal of 11799251957 is 75915299711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11799251957 - 2⁴ = 11799251941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11799251951) 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, 4064453 + ... + 4067354.

It is an arithmetic number, because the mean of its divisors is an integer number (2951846304).

Almost surely, 2^11799251957 is an apocalyptic number.

It is an amenable number.

11799251957 is a deficient number, since it is larger than the sum of its proper divisors (8133259).

11799251957 is an equidigital number, since it uses as much as digits as its factorization.

11799251957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8133258.

The product of its digits is 1786050, while the sum is 56.

The spelling of 11799251957 in words is "eleven billion, seven hundred ninety-nine million, two hundred fifty-one thousand, nine hundred fifty-seven".