18000051000035 has 128 divisors (see below), whose sum is σ = 25729827379200. Its totient is φ = 12032057157120.

The previous prime is 18000051000031. The next prime is 18000051000037. The reversal of 18000051000035 is 53000015000081.

It is not a de Polignac number, because 18000051000035 - 2² = 18000051000031 is a prime.

It is a super-2 number, since 2×18000051000035² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (18000051000031) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6591009620 + ... + 6591012350.

It is an arithmetic number, because the mean of its divisors is an integer number (201014276400).

Almost surely, 2^{18000051000035} is an apocalyptic number.

18000051000035 is a deficient number, since it is larger than the sum of its proper divisors (7729776379165).

18000051000035 is a wasteful number, since it uses less digits than its factorization.

18000051000035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4164 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 18000051000035 in words is "eighteen trillion, fifty-one million, thirty-five", and thus it is an aban number and an uban number.