12311553251 has 8 divisors (see below), whose sum is σ = 12879194400. Its totient is φ = 11753452480.

The previous prime is 12311553167. The next prime is 12311553259. The reversal of 12311553251 is 15235511321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311553251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311553259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382455 + ... + 2387616.

It is an arithmetic number, because the mean of its divisors is an integer number (1609899300).

Almost surely, 2^12311553251 is an apocalyptic number.

12311553251 is a deficient number, since it is larger than the sum of its proper divisors (567641149).

12311553251 is an equidigital number, since it uses as much as digits as its factorization.

12311553251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770189.

The product of its digits is 4500, while the sum is 29.

The spelling of 12311553251 in words is "twelve billion, three hundred eleven million, five hundred fifty-three thousand, two hundred fifty-one".