72416315715515 has 8 divisors (see below), whose sum is σ = 87263175424320. Its totient is φ = 57690654861952.

The previous prime is 72416315715473. The next prime is 72416315715581. The reversal of 72416315715515 is 51551751361427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72416315715515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30299712494 + ... + 30299714883.

It is an arithmetic number, because the mean of its divisors is an integer number (10907896928040).

Almost surely, 2^{72416315715515} is an apocalyptic number.

72416315715515 is a deficient number, since it is larger than the sum of its proper divisors (14846859708805).

72416315715515 is a wasteful number, since it uses less digits than its factorization.

72416315715515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60599427621.

The product of its digits is 4410000, while the sum is 53.

The spelling of 72416315715515 in words is "seventy-two trillion, four hundred sixteen billion, three hundred fifteen million, seven hundred fifteen thousand, five hundred fifteen".