12140515863 has 24 divisors (see below), whose sum is σ = 20530307616. Its totient is φ = 6768230400.

The previous prime is 12140515853. The next prime is 12140515913. The reversal of 12140515863 is 36851504121.

12140515863 is a `hidden beast` number, since 1 + 21 + 4 + 0 + 51 + 586 + 3 = 666.

It is not a de Polignac number, because 12140515863 - 2⁵ = 12140515831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140515853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2347498 + ... + 2352663.

It is an arithmetic number, because the mean of its divisors is an integer number (855429484).

Almost surely, 2^12140515863 is an apocalyptic number.

12140515863 is a deficient number, since it is larger than the sum of its proper divisors (8389791753).

12140515863 is a wasteful number, since it uses less digits than its factorization.

12140515863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700215 (or 4700212 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 12140515863 in words is "twelve billion, one hundred forty million, five hundred fifteen thousand, eight hundred sixty-three".