18026422412531 has 8 divisors (see below), whose sum is σ = 20257116825120. Its totient is φ = 15916306076352.

The previous prime is 18026422412477. The next prime is 18026422412567. The reversal of 18026422412531 is 13521422462081.

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-18026422412531 is a prime.

It is a super-2 number, since 2×18026422412531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18026422412731) 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, 30144518786 + ... + 30144519383.

It is an arithmetic number, because the mean of its divisors is an integer number (2532139603140).

Almost surely, 2^{18026422412531} is an apocalyptic number.

18026422412531 is a deficient number, since it is larger than the sum of its proper divisors (2230694412589).

18026422412531 is a wasteful number, since it uses less digits than its factorization.

18026422412531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60289038205.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 18026422412531 in words is "eighteen trillion, twenty-six billion, four hundred twenty-two million, four hundred twelve thousand, five hundred thirty-one".