15180491997004 has 24 divisors (see below), whose sum is σ = 27482619548160. Its totient is φ = 7328328209664.

The previous prime is 15180491996951. The next prime is 15180491997017. The reversal of 15180491997004 is 40079919408151.

It is a super-2 number, since 2×15180491997004² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 15180491997004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014052 + ... + 6280564.

It is an arithmetic number, because the mean of its divisors is an integer number (1145109147840).

Almost surely, 2^{15180491997004} is an apocalyptic number.

It is an amenable number.

15180491997004 is a deficient number, since it is larger than the sum of its proper divisors (12302127551156).

15180491997004 is a wasteful number, since it uses less digits than its factorization.

15180491997004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306609 (or 3306607 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 58.

The spelling of 15180491997004 in words is "fifteen trillion, one hundred eighty billion, four hundred ninety-one million, nine hundred ninety-seven thousand, four".