18056382751 has 16 divisors (see below), whose sum is σ = 20124453888. Its totient is φ = 16061104800.

The previous prime is 18056382731. The next prime is 18056382793. The reversal of 18056382751 is 15728365081.

It is a cyclic number.

It is not a de Polignac number, because 18056382751 - 2⁷ = 18056382623 is a prime.

It is a super-2 number, since 2×18056382751² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18056382731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171766 + ... + 256156.

It is an arithmetic number, because the mean of its divisors is an integer number (1257778368).

Almost surely, 2^18056382751 is an apocalyptic number.

18056382751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18056382751 is a deficient number, since it is larger than the sum of its proper divisors (2068071137).

18056382751 is a wasteful number, since it uses less digits than its factorization.

18056382751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84822.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 18056382751 in words is "eighteen billion, fifty-six million, three hundred eighty-two thousand, seven hundred fifty-one".