505050555150155 has 16 divisors (see below), whose sum is σ = 692804004720384. Its totient is φ = 346238758988640.

The previous prime is 505050555150107. The next prime is 505050555150157. The reversal of 505050555150155 is 551051555050505.

It is not a de Polignac number, because 505050555150155 - 2²² = 505050550955851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505050555150157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700301161 + ... + 1700598170.

It is an arithmetic number, because the mean of its divisors is an integer number (43300250295024).

Almost surely, 2^{505050555150155} is an apocalyptic number.

505050555150155 is a deficient number, since it is larger than the sum of its proper divisors (187753449570229).

505050555150155 is a wasteful number, since it uses less digits than its factorization.

505050555150155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400903586.

The product of its (nonzero) digits is 1953125, while the sum is 47.

The spelling of 505050555150155 in words is "five hundred five trillion, fifty billion, five hundred fifty-five million, one hundred fifty thousand, one hundred fifty-five".