180345918051 has 48 divisors (see below), whose sum is σ = 281408714496. Its totient is φ = 110638277568.

The previous prime is 180345918047. The next prime is 180345918119. The reversal of 180345918051 is 150819543081.

180345918051 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 4 + 591 + 8 + 0 + 51 = 666.

It is not a de Polignac number, because 180345918051 - 2² = 180345918047 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 180345917988 and 180345918006.

It is not an unprimeable number, because it can be changed into a prime (180345918041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74429626 + ... + 74432048.

It is an arithmetic number, because the mean of its divisors is an integer number (5862681552).

Almost surely, 2^180345918051 is an apocalyptic number.

180345918051 is a deficient number, since it is larger than the sum of its proper divisors (101062796445).

180345918051 is a wasteful number, since it uses less digits than its factorization.

180345918051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152 (or 4149 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 180345918051 in words is "one hundred eighty billion, three hundred forty-five million, nine hundred eighteen thousand, fifty-one".