18105151051 has 8 divisors (see below), whose sum is σ = 19507617360. Its totient is φ = 16704079392.

The previous prime is 18105151039. The next prime is 18105151073. The reversal of 18105151051 is 15015150181.

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

It is not a de Polignac number, because 18105151051 - 2²⁵ = 18071596619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18105151451) 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, 321616 + ... + 373693.

It is an arithmetic number, because the mean of its divisors is an integer number (2438452170).

Almost surely, 2^18105151051 is an apocalyptic number.

18105151051 is a deficient number, since it is larger than the sum of its proper divisors (1402466309).

18105151051 is a wasteful number, since it uses less digits than its factorization.

18105151051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697325.

The product of its (nonzero) digits is 1000, while the sum is 28.

The spelling of 18105151051 in words is "eighteen billion, one hundred five million, one hundred fifty-one thousand, fifty-one".