15144983898420 has 24 divisors (see below), whose sum is σ = 42405954915744. Its totient is φ = 4038662372896.

The previous prime is 15144983898397. The next prime is 15144983898427. The reversal of 15144983898420 is 2489838944151.

15144983898420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15144983898427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126208199094 + ... + 126208199213.

It is an arithmetic number, because the mean of its divisors is an integer number (1766914788156).

Almost surely, 2^{15144983898420} is an apocalyptic number.

15144983898420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15144983898420 is an abundant number, since it is smaller than the sum of its proper divisors (27260971017324).

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

15144983898420 is a wasteful number, since it uses less digits than its factorization.

15144983898420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252416398319 (or 252416398317 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 66.

The spelling of 15144983898420 in words is "fifteen trillion, one hundred forty-four billion, nine hundred eighty-three million, eight hundred ninety-eight thousand, four hundred twenty".