18371062958011 has 4 divisors (see below), whose sum is σ = 18372206377512. Its totient is φ = 18369919538512.

The previous prime is 18371062957993. The next prime is 18371062958077. The reversal of 18371062958011 is 11085926017381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18371062958011 - 2¹⁷ = 18371062826939 is a prime.

It is a super-2 number, since 2×18371062958011² (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 18371062958011.

It is not an unprimeable number, because it can be changed into a prime (18371032958011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571685650 + ... + 571717783.

It is an arithmetic number, because the mean of its divisors is an integer number (4593051594378).

Almost surely, 2^{18371062958011} is an apocalyptic number.

18371062958011 is a deficient number, since it is larger than the sum of its proper divisors (1143419501).

18371062958011 is a wasteful number, since it uses less digits than its factorization.

18371062958011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143419500.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 18371062958011 in words is "eighteen trillion, three hundred seventy-one billion, sixty-two million, nine hundred fifty-eight thousand, eleven".