15481097584668 has 36 divisors (see below), whose sum is σ = 39132915520608. Its totient is φ = 5160347258880.

The previous prime is 15481097584529. The next prime is 15481097584709. The reversal of 15481097584668 is 86648579018451.

It is a happy number.

15481097584668 is a `hidden beast` number, since 1 + 5 + 4 + 8 + 109 + 7 + 58 + 466 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 15481097584596 and 15481097584605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12433180 + ... + 13621532.

It is an arithmetic number, because the mean of its divisors is an integer number (1087025431128).

Almost surely, 2^{15481097584668} is an apocalyptic number.

15481097584668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15481097584668 is an abundant number, since it is smaller than the sum of its proper divisors (23651817935940).

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

15481097584668 is a wasteful number, since it uses less digits than its factorization.

15481097584668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550234 (or 1550229 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 72.

The spelling of 15481097584668 in words is "fifteen trillion, four hundred eighty-one billion, ninety-seven million, five hundred eighty-four thousand, six hundred sixty-eight".