13019811191100 has 144 divisors (see below), whose sum is σ = 47835750816000. Its totient is φ = 2975956839360.

The previous prime is 13019811191099. The next prime is 13019811191147. The reversal of 13019811191100 is 119111891031.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344420550 + ... + 344458349.

It is an arithmetic number, because the mean of its divisors is an integer number (332192714000).

Almost surely, 2^{13019811191100} is an apocalyptic number.

13019811191100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13019811191100 is an abundant number, since it is smaller than the sum of its proper divisors (34815939624900).

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

13019811191100 is a wasteful number, since it uses less digits than its factorization.

13019811191100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688878929 (or 688878916 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 36.

The spelling of 13019811191100 in words is "thirteen trillion, nineteen billion, eight hundred eleven million, one hundred ninety-one thousand, one hundred".