18104996788980 has 96 divisors (see below), whose sum is σ = 52070863724544. Its totient is φ = 4696902319104.

The previous prime is 18104996788961. The next prime is 18104996788999. The reversal of 18104996788980 is 8988769940181.

It is an interprime number because it is at equal distance from previous prime (18104996788961) and next prime (18104996788999).

It is a super-2 number, since 2×18104996788980² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18104996788896 and 18104996788905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16685709 + ... + 17737611.

It is an arithmetic number, because the mean of its divisors is an integer number (542404830464).

Almost surely, 2^{18104996788980} is an apocalyptic number.

18104996788980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18104996788980 is an abundant number, since it is smaller than the sum of its proper divisors (33965866935564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18104996788980 is a wasteful number, since it uses less digits than its factorization.

18104996788980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059705 (or 1059703 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 78.

The spelling of 18104996788980 in words is "eighteen trillion, one hundred four billion, nine hundred ninety-six million, seven hundred eighty-eight thousand, nine hundred eighty".