155050514050505 has 16 divisors (see below), whose sum is σ = 186591484170000. Its totient is φ = 123686844825600.

The previous prime is 155050514050459. The next prime is 155050514050519. The reversal of 155050514050505 is 505050415050551.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15343529161 + 155035170521344 = 123869^2 + 12451312^2 .

It is not a de Polignac number, because 155050514050505 - 2⁶ = 155050514050441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17975030 + ... + 25163519.

It is an arithmetic number, because the mean of its divisors is an integer number (11661967760625).

Almost surely, 2^{155050514050505} is an apocalyptic number.

It is an amenable number.

155050514050505 is a deficient number, since it is larger than the sum of its proper divisors (31540970119495).

155050514050505 is a wasteful number, since it uses less digits than its factorization.

155050514050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43140604.

The product of its (nonzero) digits is 312500, while the sum is 41.

The spelling of 155050514050505 in words is "one hundred fifty-five trillion, fifty billion, five hundred fourteen million, fifty thousand, five hundred five".