13111426888 has 32 divisors (see below), whose sum is σ = 28121751360. Its totient is φ = 5614015680.

The previous prime is 13111426877. The next prime is 13111426927. The reversal of 13111426888 is 88862411131.

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, 45898 + ... + 168313.

It is an arithmetic number, because the mean of its divisors is an integer number (878804730).

Almost surely, 2^13111426888 is an apocalyptic number.

It is an amenable number.

13111426888 is an abundant number, since it is smaller than the sum of its proper divisors (15010324472).

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

13111426888 is a wasteful number, since it uses less digits than its factorization.

13111426888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215317 (or 215313 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The spelling of 13111426888 in words is "thirteen billion, one hundred eleven million, four hundred twenty-six thousand, eight hundred eighty-eight".