11431877163 has 32 divisors (see below), whose sum is σ = 17954027520. Its totient is φ = 6334796160.

The previous prime is 11431877159. The next prime is 11431877167. The reversal of 11431877163 is 36177813411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11431877159) and next prime (11431877167).

It is not a de Polignac number, because 11431877163 - 2² = 11431877159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11431877167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54453 + ... + 160713.

It is an arithmetic number, because the mean of its divisors is an integer number (561063360).

Almost surely, 2^11431877163 is an apocalyptic number.

11431877163 is a deficient number, since it is larger than the sum of its proper divisors (6522150357).

11431877163 is a wasteful number, since it uses less digits than its factorization.

11431877163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106427.

The product of its digits is 84672, while the sum is 42.

The spelling of 11431877163 in words is "eleven billion, four hundred thirty-one million, eight hundred seventy-seven thousand, one hundred sixty-three".