15005141550 has 144 divisors (see below), whose sum is σ = 46367916192. Its totient is φ = 3407788800.

The previous prime is 15005141537. The next prime is 15005141561. The reversal of 15005141550 is 5514150051.

15005141550 is a `hidden beast` number, since 1 + 500 + 5 + 1 + 4 + 155 + 0 = 666.

15005141550 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 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 71 ways as a sum of consecutive naturals, for example, 479380 + ... + 509720.

It is an arithmetic number, because the mean of its divisors is an integer number (321999418).

Almost surely, 2^15005141550 is an apocalyptic number.

15005141550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15005141550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23183958096).

15005141550 is an abundant number, since it is smaller than the sum of its proper divisors (31362774642).

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

15005141550 is a wasteful number, since it uses less digits than its factorization.

15005141550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30523 (or 30515 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 15005141550 in words is "fifteen billion, five million, one hundred forty-one thousand, five hundred fifty".