18117036151 has 8 divisors (see below), whose sum is σ = 18703526400. Its totient is φ = 17530675320.

The previous prime is 18117036137. The next prime is 18117036181. The reversal of 18117036151 is 15163071181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18117036151 - 2⁷ = 18117036023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18117036181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309720 + ... + 363538.

It is an arithmetic number, because the mean of its divisors is an integer number (2337940800).

Almost surely, 2^18117036151 is an apocalyptic number.

18117036151 is a deficient number, since it is larger than the sum of its proper divisors (586490249).

18117036151 is a wasteful number, since it uses less digits than its factorization.

18117036151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64709.

The product of its (nonzero) digits is 5040, while the sum is 34.

The spelling of 18117036151 in words is "eighteen billion, one hundred seventeen million, thirty-six thousand, one hundred fifty-one".