865231413415 has 48 divisors (see below), whose sum is σ = 1180291488768. Its totient is φ = 606300761088.

The previous prime is 865231413401. The next prime is 865231413421. The reversal of 865231413415 is 514314132568.

It is not a de Polignac number, because 865231413415 - 2⁵ = 865231413383 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, 1403674 + ... + 1923736.

It is an arithmetic number, because the mean of its divisors is an integer number (24589406016).

Almost surely, 2^865231413415 is an apocalyptic number.

865231413415 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

865231413415 is a deficient number, since it is larger than the sum of its proper divisors (315060075353).

865231413415 is a wasteful number, since it uses less digits than its factorization.

865231413415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520168 (or 520145 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The spelling of 865231413415 in words is "eight hundred sixty-five billion, two hundred thirty-one million, four hundred thirteen thousand, four hundred fifteen".