15041504550 has 96 divisors (see below), whose sum is σ = 38506464000. Its totient is φ = 3882764160.

The previous prime is 15041504537. The next prime is 15041504551. The reversal of 15041504550 is 5540514051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15041504551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1097641 + ... + 1111259.

It is an arithmetic number, because the mean of its divisors is an integer number (401109000).

Almost surely, 2^15041504550 is an apocalyptic number.

15041504550 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 15041504550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19253232000).

15041504550 is an abundant number, since it is smaller than the sum of its proper divisors (23464959450).

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

15041504550 is a wasteful number, since it uses less digits than its factorization.

15041504550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870 (or 13865 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 15041504550 in words is "fifteen billion, forty-one million, five hundred four thousand, five hundred fifty".