15500050112144 has 80 divisors (see below), whose sum is σ = 32519770684800. Its totient is φ = 7114460221440.

The previous prime is 15500050112123. The next prime is 15500050112219. The reversal of 15500050112144 is 44121105000551.

15500050112144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×15500050112144³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86046779 + ... + 86226725.

It is an arithmetic number, because the mean of its divisors is an integer number (406497133560).

Almost surely, 2^{15500050112144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15500050112144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16259885342400).

15500050112144 is an abundant number, since it is smaller than the sum of its proper divisors (17019720572656).

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

15500050112144 is a wasteful number, since it uses less digits than its factorization.

15500050112144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182248 (or 182242 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 15500050112144 its reverse (44121105000551), we get a palindrome (59621155112695).

The spelling of 15500050112144 in words is "fifteen trillion, five hundred billion, fifty million, one hundred twelve thousand, one hundred forty-four".