1168867155431 has 2 divisors, whose sum is σ = 1168867155432. Its totient is φ = 1168867155430.

The previous prime is 1168867155427. The next prime is 1168867155497. The reversal of 1168867155431 is 1345517688611.

It is a weak prime.

It is an emirp because it is prime and its reverse (1345517688611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1168867155431 - 2² = 1168867155427 is a prime.

It is a super-2 number, since 2×1168867155431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168867154431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584433577715 + 584433577716.

It is an arithmetic number, because the mean of its divisors is an integer number (584433577716).

Almost surely, 2^{1168867155431} is an apocalyptic number.

1168867155431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168867155431 is an equidigital number, since it uses as much as digits as its factorization.

1168867155431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 56.

The spelling of 1168867155431 in words is "one trillion, one hundred sixty-eight billion, eight hundred sixty-seven million, one hundred fifty-five thousand, four hundred thirty-one".