83431525415 has 16 divisors (see below), whose sum is σ = 115321331712. Its totient is φ = 56759711904.

The previous prime is 83431525361. The next prime is 83431525427. The reversal of 83431525415 is 51452513438.

It is not a de Polignac number, because 83431525415 - 2⁸ = 83431525159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9380429 + ... + 9389318.

It is an arithmetic number, because the mean of its divisors is an integer number (7207583232).

Almost surely, 2^83431525415 is an apocalyptic number.

83431525415 is a deficient number, since it is larger than the sum of its proper divisors (31889806297).

83431525415 is a wasteful number, since it uses less digits than its factorization.

83431525415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18769886.

The product of its digits is 288000, while the sum is 41.

The spelling of 83431525415 in words is "eighty-three billion, four hundred thirty-one million, five hundred twenty-five thousand, four hundred fifteen".