86515405025 has 12 divisors (see below), whose sum is σ = 122604688512. Its totient is φ = 59324849040.

The previous prime is 86515404979. The next prime is 86515405037. The reversal of 86515405025 is 52050451568.

It is not a de Polignac number, because 86515405025 - 2¹² = 86515400929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247186697 + ... + 247187046.

It is an arithmetic number, because the mean of its divisors is an integer number (10217057376).

Almost surely, 2^86515405025 is an apocalyptic number.

It is an amenable number.

86515405025 is a deficient number, since it is larger than the sum of its proper divisors (36089283487).

86515405025 is a wasteful number, since it uses less digits than its factorization.

86515405025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494373760 (or 494373755 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 86515405025 in words is "eighty-six billion, five hundred fifteen million, four hundred five thousand, twenty-five".