155050005660500 has 48 divisors (see below), whose sum is σ = 342915658176000. Its totient is φ = 61234938928800.

The previous prime is 155050005660469. The next prime is 155050005660553. The reversal of 155050005660500 is 5066500050551.

It is a congruent number.

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, 1962618800 + ... + 1962697799.

It is an arithmetic number, because the mean of its divisors is an integer number (7144076212000).

Almost surely, 2^{155050005660500} is an apocalyptic number.

155050005660500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155050005660500 is an abundant number, since it is smaller than the sum of its proper divisors (187865652515500).

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

155050005660500 is a wasteful number, since it uses less digits than its factorization.

155050005660500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925316697 (or 3925316685 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 155050005660500 in words is "one hundred fifty-five trillion, fifty billion, five million, six hundred sixty thousand, five hundred".