15428514325 has 48 divisors (see below), whose sum is σ = 22160724480. Its totient is φ = 10437073920.

The previous prime is 15428514323. The next prime is 15428514347. The reversal of 15428514325 is 52341582451.

It is a happy number.

It is not a de Polignac number, because 15428514325 - 2¹ = 15428514323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15428514323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4526772 + ... + 4530178.

It is an arithmetic number, because the mean of its divisors is an integer number (461681760).

Almost surely, 2^15428514325 is an apocalyptic number.

It is an amenable number.

15428514325 is a deficient number, since it is larger than the sum of its proper divisors (6732210155).

15428514325 is a wasteful number, since it uses less digits than its factorization.

15428514325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766 (or 3761 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The spelling of 15428514325 in words is "fifteen billion, four hundred twenty-eight million, five hundred fourteen thousand, three hundred twenty-five".