13119978746 has 16 divisors (see below), whose sum is σ = 22495815744. Its totient is φ = 5621742144.

The previous prime is 13119978737. The next prime is 13119978811. The reversal of 13119978746 is 64787991131.

It is a junction number, because it is equal to n+sod(n) for n = 13119978691 and 13119978700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16280 + ... + 162803.

It is an arithmetic number, because the mean of its divisors is an integer number (1405988484).

Almost surely, 2^13119978746 is an apocalyptic number.

13119978746 is a deficient number, since it is larger than the sum of its proper divisors (9375836998).

13119978746 is a wasteful number, since it uses less digits than its factorization.

13119978746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184325.

The product of its digits is 2286144, while the sum is 56.

The spelling of 13119978746 in words is "thirteen billion, one hundred nineteen million, nine hundred seventy-eight thousand, seven hundred forty-six".