68412431811 has 16 divisors (see below), whose sum is σ = 95205148416. Its totient is φ = 43614944736.

The previous prime is 68412431803. The next prime is 68412431831. The reversal of 68412431811 is 11813421486.

It is not a de Polignac number, because 68412431811 - 2³ = 68412431803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68412431811.

It is not an unprimeable number, because it can be changed into a prime (68412431831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179781 + ... + 411273.

It is an arithmetic number, because the mean of its divisors is an integer number (5950321776).

Almost surely, 2^68412431811 is an apocalyptic number.

68412431811 is a deficient number, since it is larger than the sum of its proper divisors (26792716605).

68412431811 is a wasteful number, since it uses less digits than its factorization.

68412431811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235802.

The product of its digits is 36864, while the sum is 39.

The spelling of 68412431811 in words is "sixty-eight billion, four hundred twelve million, four hundred thirty-one thousand, eight hundred eleven".