14961178931 has 2 divisors, whose sum is σ = 14961178932. Its totient is φ = 14961178930.

The previous prime is 14961178913. The next prime is 14961178937. The reversal of 14961178931 is 13987116941.

Together with previous prime (14961178913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14961178931 - 2⁶ = 14961178867 is a prime.

It is a super-2 number, since 2×14961178931² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14961178931.

It is not a weakly prime, because it can be changed into another prime (14961178937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7480589465 + 7480589466.

It is an arithmetic number, because the mean of its divisors is an integer number (7480589466).

Almost surely, 2^14961178931 is an apocalyptic number.

14961178931 is a deficient number, since it is larger than the sum of its proper divisors (1).

14961178931 is an equidigital number, since it uses as much as digits as its factorization.

14961178931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 50.

The spelling of 14961178931 in words is "fourteen billion, nine hundred sixty-one million, one hundred seventy-eight thousand, nine hundred thirty-one".