15151225425 has 24 divisors (see below), whose sum is σ = 28628602176. Its totient is φ = 6926274240.

The previous prime is 15151225399. The next prime is 15151225457. The reversal of 15151225425 is 52452215151.

It is not a de Polignac number, because 15151225425 - 2⁶ = 15151225361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14429214 + ... + 14430263.

It is an arithmetic number, because the mean of its divisors is an integer number (1192858424).

Almost surely, 2^15151225425 is an apocalyptic number.

15151225425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15151225425 is a deficient number, since it is larger than the sum of its proper divisors (13477376751).

15151225425 is a wasteful number, since it uses less digits than its factorization.

15151225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28859497 (or 28859492 counting only the distinct ones).

The product of its digits is 20000, while the sum is 33.

The spelling of 15151225425 in words is "fifteen billion, one hundred fifty-one million, two hundred twenty-five thousand, four hundred twenty-five".