13126345554 has 32 divisors (see below), whose sum is σ = 30048529536. Its totient is φ = 3744702720.

The previous prime is 13126345549. The next prime is 13126345577. The reversal of 13126345554 is 45554362131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208647 + ... + 264170.

It is an arithmetic number, because the mean of its divisors is an integer number (939016548).

Almost surely, 2^13126345554 is an apocalyptic number.

13126345554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13126345554 is an abundant number, since it is smaller than the sum of its proper divisors (16922183982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13126345554 is a wasteful number, since it uses less digits than its factorization.

13126345554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473490.

The product of its digits is 216000, while the sum is 39.

The spelling of 13126345554 in words is "thirteen billion, one hundred twenty-six million, three hundred forty-five thousand, five hundred fifty-four".