18100151 has 2 divisors, whose sum is σ = 18100152. Its totient is φ = 18100150.

The previous prime is 18100111. The next prime is 18100157. The reversal of 18100151 is 15100181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18100151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18100157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9050075 + 9050076.

It is an arithmetic number, because the mean of its divisors is an integer number (9050076).

Almost surely, 2^18100151 is an apocalyptic number.

18100151 is a deficient number, since it is larger than the sum of its proper divisors (1).

18100151 is an equidigital number, since it uses as much as digits as its factorization.

18100151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 18100151 is about 4254.4272234932. The cubic root of 18100151 is about 262.5592960528.

The spelling of 18100151 in words is "eighteen million, one hundred thousand, one hundred fifty-one".