72080010515 has 16 divisors (see below), whose sum is σ = 88350728832. Its totient is φ = 56427930624.

The previous prime is 72080010491. The next prime is 72080010589. The reversal of 72080010515 is 51501008027.

It is a cyclic number.

It is not a de Polignac number, because 72080010515 - 2¹⁸ = 72079748371 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, 1665227 + ... + 1707963.

It is an arithmetic number, because the mean of its divisors is an integer number (5521920552).

Almost surely, 2^72080010515 is an apocalyptic number.

72080010515 is a deficient number, since it is larger than the sum of its proper divisors (16270718317).

72080010515 is a wasteful number, since it uses less digits than its factorization.

72080010515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49966.

The product of its (nonzero) digits is 2800, while the sum is 29.

The spelling of 72080010515 in words is "seventy-two billion, eighty million, ten thousand, five hundred fifteen".