15000160505550 has 48 divisors (see below), whose sum is σ = 40582252426752. Its totient is φ = 3636402546400.

The previous prime is 15000160505531. The next prime is 15000160505569. The reversal of 15000160505550 is 5550506100051.

It is an interprime number because it is at equal distance from previous prime (15000160505531) and next prime (15000160505569).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4545501534 + ... + 4545504833.

It is an arithmetic number, because the mean of its divisors is an integer number (845463592224).

Almost surely, 2^{15000160505550} is an apocalyptic number.

15000160505550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15000160505550 is an abundant number, since it is smaller than the sum of its proper divisors (25582091921202).

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

15000160505550 is a wasteful number, since it uses less digits than its factorization.

15000160505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091006393 (or 9091006388 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 15000160505550 in words is "fifteen trillion, one hundred sixty million, five hundred five thousand, five hundred fifty".