68150158831 has 2 divisors, whose sum is σ = 68150158832. Its totient is φ = 68150158830.

The previous prime is 68150158819. The next prime is 68150158927. The reversal of 68150158831 is 13885105186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68150158831 - 2⁵ = 68150158799 is a prime.

It is a super-2 number, since 2×68150158831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68150155831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34075079415 + 34075079416.

It is an arithmetic number, because the mean of its divisors is an integer number (34075079416).

Almost surely, 2^68150158831 is an apocalyptic number.

68150158831 is a deficient number, since it is larger than the sum of its proper divisors (1).

68150158831 is an equidigital number, since it uses as much as digits as its factorization.

68150158831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 46.

It can be divided in two parts, 68150 and 158831, that added together give a cube (226981 = 61³).

The spelling of 68150158831 in words is "sixty-eight billion, one hundred fifty million, one hundred fifty-eight thousand, eight hundred thirty-one".