155050506506 has 16 divisors (see below), whose sum is σ = 279790388160. Its totient is φ = 62952837120.

The previous prime is 155050506503. The next prime is 155050506529. The reversal of 155050506506 is 605605050551.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 155050506506.

It is not an unprimeable number, because it can be changed into a prime (155050506503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291448055 + ... + 291448586.

It is an arithmetic number, because the mean of its divisors is an integer number (17486899260).

Almost surely, 2^155050506506 is an apocalyptic number.

155050506506 is a deficient number, since it is larger than the sum of its proper divisors (124739881654).

155050506506 is a wasteful number, since it uses less digits than its factorization.

155050506506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582896669.

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

The spelling of 155050506506 in words is "one hundred fifty-five billion, fifty million, five hundred six thousand, five hundred six".