18370711485 has 48 divisors (see below), whose sum is σ = 36480737280. Its totient is φ = 8377447680.

The previous prime is 18370711451. The next prime is 18370711523. The reversal of 18370711485 is 58411707381.

It is not a de Polignac number, because 18370711485 - 2⁹ = 18370710973 is a prime.

It is a super-2 number, since 2×18370711485² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 18370711485.

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, 57540 + ... + 200130.

It is an arithmetic number, because the mean of its divisors is an integer number (760015360).

Almost surely, 2^18370711485 is an apocalyptic number.

18370711485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18370711485 is a deficient number, since it is larger than the sum of its proper divisors (18110025795).

18370711485 is a wasteful number, since it uses less digits than its factorization.

18370711485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143018 (or 143015 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 18370711485 in words is "eighteen billion, three hundred seventy million, seven hundred eleven thousand, four hundred eighty-five".