18488811001532 has 48 divisors (see below), whose sum is σ = 33486575633280. Its totient is φ = 8925146056512.

The previous prime is 18488811001519. The next prime is 18488811001553. The reversal of 18488811001532 is 23510011888481.

It is a super-2 number, since 2×18488811001532² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38995163 + ... + 39466445.

It is an arithmetic number, because the mean of its divisors is an integer number (697636992360).

Almost surely, 2^{18488811001532} is an apocalyptic number.

It is an amenable number.

18488811001532 is a deficient number, since it is larger than the sum of its proper divisors (14997764631748).

18488811001532 is a wasteful number, since it uses less digits than its factorization.

18488811001532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473370 (or 473368 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 50.

The spelling of 18488811001532 in words is "eighteen trillion, four hundred eighty-eight billion, eight hundred eleven million, one thousand, five hundred thirty-two".