15480521375 has 48 divisors (see below), whose sum is σ = 21581108640. Its totient is φ = 10994928000.

The previous prime is 15480521347. The next prime is 15480521431. The reversal of 15480521375 is 57312508451.

It is a happy number.

It is not a de Polignac number, because 15480521375 - 2⁶ = 15480521311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2539331 + ... + 2545419.

It is an arithmetic number, because the mean of its divisors is an integer number (449606430).

Almost surely, 2^15480521375 is an apocalyptic number.

15480521375 is a deficient number, since it is larger than the sum of its proper divisors (6100587265).

15480521375 is an equidigital number, since it uses as much as digits as its factorization.

15480521375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201 (or 6148 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 15480521375 in words is "fifteen billion, four hundred eighty million, five hundred twenty-one thousand, three hundred seventy-five".