15425151552 has 84 divisors (see below), whose sum is σ = 46814230476. Its totient is φ = 4839260160.

The previous prime is 15425151551. The next prime is 15425151587. The reversal of 15425151552 is 25515152451.

15425151552 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 51 + 51 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14423049216 + 1002102336 = 120096^2 + 31656^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15425151551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777849 + ... + 797432.

Almost surely, 2^15425151552 is an apocalyptic number.

15425151552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15425151552 is an abundant number, since it is smaller than the sum of its proper divisors (31389078924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15425151552 is a wasteful number, since it uses less digits than its factorization.

15425151552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575316 (or 1575303 counting only the distinct ones).

The product of its digits is 50000, while the sum is 36.

The spelling of 15425151552 in words is "fifteen billion, four hundred twenty-five million, one hundred fifty-one thousand, five hundred fifty-two".