68115496955 has 32 divisors (see below), whose sum is σ = 89607513600. Its totient is φ = 49295572480.

The previous prime is 68115496937. The next prime is 68115497089. The reversal of 68115496955 is 55969451186.

It is a happy number.

It is not a de Polignac number, because 68115496955 - 2²⁶ = 68048388091 is a prime.

It is a super-2 number, since 2×68115496955² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68115496894 and 68115496903.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16820771 + ... + 16824819.

It is an arithmetic number, because the mean of its divisors is an integer number (2800234800).

Almost surely, 2^68115496955 is an apocalyptic number.

68115496955 is a deficient number, since it is larger than the sum of its proper divisors (21492016645).

68115496955 is a wasteful number, since it uses less digits than its factorization.

68115496955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491.

The product of its digits is 11664000, while the sum is 59.

The spelling of 68115496955 in words is "sixty-eight billion, one hundred fifteen million, four hundred ninety-six thousand, nine hundred fifty-five".