18485101537 has 8 divisors (see below), whose sum is σ = 21415225856. Its totient is φ = 15627326112.

The previous prime is 18485101489. The next prime is 18485101571. The reversal of 18485101537 is 73510158481.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18485101537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18485101493 and 18485101502.

It is not an unprimeable number, because it can be changed into a prime (18485101237) 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, 18086673 + ... + 18087694.

It is an arithmetic number, because the mean of its divisors is an integer number (2676903232).

Almost surely, 2^18485101537 is an apocalyptic number.

18485101537 is the 78497-th hex number.

It is an amenable number.

18485101537 is a deficient number, since it is larger than the sum of its proper divisors (2930124319).

18485101537 is an equidigital number, since it uses as much as digits as its factorization.

18485101537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36174447.

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 18485101537 in words is "eighteen billion, four hundred eighty-five million, one hundred one thousand, five hundred thirty-seven".