18550157151 has 16 divisors (see below), whose sum is σ = 24958936800. Its totient is φ = 12254471040.

The previous prime is 18550157147. The next prime is 18550157161. The reversal of 18550157151 is 15175105581.

It is not a de Polignac number, because 18550157151 - 2² = 18550157147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18550157161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138901 + ... + 237473.

It is an arithmetic number, because the mean of its divisors is an integer number (1559933550).

Almost surely, 2^18550157151 is an apocalyptic number.

18550157151 is a deficient number, since it is larger than the sum of its proper divisors (6408779649).

18550157151 is a wasteful number, since it uses less digits than its factorization.

18550157151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99146.

The product of its (nonzero) digits is 35000, while the sum is 39.

The spelling of 18550157151 in words is "eighteen billion, five hundred fifty million, one hundred fifty-seven thousand, one hundred fifty-one".