18131855753 has 8 divisors (see below), whose sum is σ = 19781495616. Its totient is φ = 16482430800.

The previous prime is 18131855723. The next prime is 18131855773. The reversal of 18131855753 is 35755813181.

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

It is not a de Polignac number, because 18131855753 - 2¹⁰ = 18131854729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18131855698 and 18131855707.

It is not an unprimeable number, because it can be changed into a prime (18131855723) 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, 159500 + ... + 248402.

It is an arithmetic number, because the mean of its divisors is an integer number (2472686952).

Almost surely, 2^18131855753 is an apocalyptic number.

It is an amenable number.

18131855753 is a deficient number, since it is larger than the sum of its proper divisors (1649639863).

18131855753 is a wasteful number, since it uses less digits than its factorization.

18131855753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107455.

The product of its digits is 504000, while the sum is 47.

The spelling of 18131855753 in words is "eighteen billion, one hundred thirty-one million, eight hundred fifty-five thousand, seven hundred fifty-three".