71525575315 has 16 divisors (see below), whose sum is σ = 87249344256. Its totient is φ = 56274940800.

The previous prime is 71525575241. The next prime is 71525575343. The reversal of 71525575315 is 51357552517.

It is not a de Polignac number, because 71525575315 - 2¹⁵ = 71525542547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3865185 + ... + 3883645.

It is an arithmetic number, because the mean of its divisors is an integer number (5453084016).

Almost surely, 2^71525575315 is an apocalyptic number.

71525575315 is a deficient number, since it is larger than the sum of its proper divisors (15723768941).

71525575315 is a wasteful number, since it uses less digits than its factorization.

71525575315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31230.

The product of its digits is 918750, while the sum is 46.

The spelling of 71525575315 in words is "seventy-one billion, five hundred twenty-five million, five hundred seventy-five thousand, three hundred fifteen".