68120115506 has 16 divisors (see below), whose sum is σ = 108196197120. Its totient is φ = 32054917440.

The previous prime is 68120115499. The next prime is 68120115551. The reversal of 68120115506 is 60551102186.

It is a happy number.

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, 896135 + ... + 969173.

It is an arithmetic number, because the mean of its divisors is an integer number (6762262320).

Almost surely, 2^68120115506 is an apocalyptic number.

68120115506 is a deficient number, since it is larger than the sum of its proper divisors (40076081614).

68120115506 is a wasteful number, since it uses less digits than its factorization.

68120115506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100489.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 68120115506 in words is "sixty-eight billion, one hundred twenty million, one hundred fifteen thousand, five hundred six".