15243434251 has 16 divisors (see below), whose sum is σ = 16455283488. Its totient is φ = 14066956800.

The previous prime is 15243434243. The next prime is 15243434263.

15243434251 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 15243434251 - 2³ = 15243434243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15243434351) 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, 1672216 + ... + 1681306.

It is an arithmetic number, because the mean of its divisors is an integer number (1028455218).

Almost surely, 2^15243434251 is an apocalyptic number.

15243434251 is a deficient number, since it is larger than the sum of its proper divisors (1211849237).

15243434251 is a wasteful number, since it uses less digits than its factorization.

15243434251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022.

The product of its digits is 57600, while the sum is 34.

The spelling of 15243434251 in words is "fifteen billion, two hundred forty-three million, four hundred thirty-four thousand, two hundred fifty-one".