18575133542 has 24 divisors (see below), whose sum is σ = 32425314120. Its totient is φ = 7957430880.

The previous prime is 18575133497. The next prime is 18575133557. The reversal of 18575133542 is 24533157581.

It is a super-2 number, since 2×18575133542² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18575133493 and 18575133502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202442 + ... + 279522.

It is an arithmetic number, because the mean of its divisors is an integer number (1351054755).

Almost surely, 2^18575133542 is an apocalyptic number.

18575133542 is a deficient number, since it is larger than the sum of its proper divisors (13850180578).

18575133542 is a wasteful number, since it uses less digits than its factorization.

18575133542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79556 (or 79549 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The spelling of 18575133542 in words is "eighteen billion, five hundred seventy-five million, one hundred thirty-three thousand, five hundred forty-two".