18800711130091 has 32 divisors (see below), whose sum is σ = 22099558406400. Its totient is φ = 15802670868480.

The previous prime is 18800711130013. The next prime is 18800711130233. The reversal of 18800711130091 is 19003111700881.

It is a cyclic number.

It is not a de Polignac number, because 18800711130091 - 2⁹ = 18800711129579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18800711136091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15513171 + ... + 16681123.

It is an arithmetic number, because the mean of its divisors is an integer number (690611200200).

Almost surely, 2^{18800711130091} is an apocalyptic number.

18800711130091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18800711130091 is a deficient number, since it is larger than the sum of its proper divisors (3298847276309).

18800711130091 is a wasteful number, since it uses less digits than its factorization.

18800711130091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169499.

The product of its (nonzero) digits is 12096, while the sum is 40.

The spelling of 18800711130091 in words is "eighteen trillion, eight hundred billion, seven hundred eleven million, one hundred thirty thousand, ninety-one".