15378376325 has 24 divisors (see below), whose sum is σ = 20550538848. Its totient is φ = 11348326080.

The previous prime is 15378376303. The next prime is 15378376361. The reversal of 15378376325 is 52367387351.

It is a happy number.

It is not a de Polignac number, because 15378376325 - 2⁶ = 15378376261 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 466022 + ... + 497928.

It is an arithmetic number, because the mean of its divisors is an integer number (856272452).

Almost surely, 2^15378376325 is an apocalyptic number.

It is an amenable number.

15378376325 is a deficient number, since it is larger than the sum of its proper divisors (5172162523).

15378376325 is a wasteful number, since it uses less digits than its factorization.

15378376325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33413 (or 33408 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 50.

The spelling of 15378376325 in words is "fifteen billion, three hundred seventy-eight million, three hundred seventy-six thousand, three hundred twenty-five".