18747100574411 has 12 divisors (see below), whose sum is σ = 21163244656176. Its totient is φ = 16582201978320.

The previous prime is 18747100574399. The next prime is 18747100574413. The reversal of 18747100574411 is 11447500174781.

It is not a de Polignac number, because 18747100574411 - 2¹⁰ = 18747100573387 is a prime.

It is a super-2 number, since 2×18747100574411² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18747100574411.

It is not an unprimeable number, because it can be changed into a prime (18747100574413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2093707895 + ... + 2093716848.

It is an arithmetic number, because the mean of its divisors is an integer number (1763603721348).

Almost surely, 2^{18747100574411} is an apocalyptic number.

18747100574411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18747100574411 is a deficient number, since it is larger than the sum of its proper divisors (2416144081765).

18747100574411 is a wasteful number, since it uses less digits than its factorization.

18747100574411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187424802 (or 4187424791 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 50.

The spelling of 18747100574411 in words is "eighteen trillion, seven hundred forty-seven billion, one hundred million, five hundred seventy-four thousand, four hundred eleven".