15425252451 has 24 divisors (see below), whose sum is σ = 25881356384. Its totient is φ = 8669928960.

The previous prime is 15425252441. The next prime is 15425252501.

15425252451 is a `hidden beast` number, since 154 + 2 + 5 + 2 + 52 + 451 = 666.

15425252451 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 15425252451 - 2⁶ = 15425252387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15425252441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2003086 + ... + 2010771.

Almost surely, 2^15425252451 is an apocalyptic number.

15425252451 is a deficient number, since it is larger than the sum of its proper divisors (10456103933).

15425252451 is a wasteful number, since it uses less digits than its factorization.

15425252451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013931 (or 4013928 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The spelling of 15425252451 in words is "fifteen billion, four hundred twenty-five million, two hundred fifty-two thousand, four hundred fifty-one".