11824020251 has 16 divisors (see below), whose sum is σ = 13069263168. Its totient is φ = 10640256000.

The previous prime is 11824020227. The next prime is 11824020259. The reversal of 11824020251 is 15202042811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11824020251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11824020251.

It is not an unprimeable number, because it can be changed into a prime (11824020259) 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, 1286111 + ... + 1295271.

It is an arithmetic number, because the mean of its divisors is an integer number (816828948).

Almost surely, 2^11824020251 is an apocalyptic number.

11824020251 is a deficient number, since it is larger than the sum of its proper divisors (1245242917).

11824020251 is a wasteful number, since it uses less digits than its factorization.

11824020251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12502.

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 11824020251 in words is "eleven billion, eight hundred twenty-four million, twenty thousand, two hundred fifty-one".