15155015505400 has 48 divisors (see below), whose sum is σ = 35239173053040. Its totient is φ = 6061358976000.

The previous prime is 15155015505379. The next prime is 15155015505433. The reversal of 15155015505400 is 450551055151.

15155015505400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15155015505400.

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, 2165076 + ... + 5915875.

It is an arithmetic number, because the mean of its divisors is an integer number (734149438605).

Almost surely, 2^{15155015505400} is an apocalyptic number.

15155015505400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15155015505400 is an abundant number, since it is smaller than the sum of its proper divisors (20084157547640).

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

15155015505400 is a wasteful number, since it uses less digits than its factorization.

15155015505400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090344 (or 8090335 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 37.

The spelling of 15155015505400 in words is "fifteen trillion, one hundred fifty-five billion, fifteen million, five hundred five thousand, four hundred".