18141082051 has 16 divisors (see below), whose sum is σ = 18592934400. Its totient is φ = 17693571168.

The previous prime is 18141082049. The next prime is 18141082081. The reversal of 18141082051 is 15028014181.

It is a cyclic number.

It is not a de Polignac number, because 18141082051 - 2¹ = 18141082049 is a prime.

It is a super-2 number, since 2×18141082051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18141082081) 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, 11488180 + ... + 11489758.

It is an arithmetic number, because the mean of its divisors is an integer number (1162058400).

Almost surely, 2^18141082051 is an apocalyptic number.

18141082051 is a deficient number, since it is larger than the sum of its proper divisors (451852349).

18141082051 is a wasteful number, since it uses less digits than its factorization.

18141082051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 2560, while the sum is 31.

The spelling of 18141082051 in words is "eighteen billion, one hundred forty-one million, eighty-two thousand, fifty-one".