505077112155 has 64 divisors (see below), whose sum is σ = 1032104457216. Its totient is φ = 204782592000.

The previous prime is 505077112117. The next prime is 505077112159. The reversal of 505077112155 is 551211770505.

It is not a de Polignac number, because 505077112155 - 2⁶ = 505077112091 is a prime.

It is a super-3 number, since 3×505077112155³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (505077112159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5285526 + ... + 5380235.

It is an arithmetic number, because the mean of its divisors is an integer number (16126632144).

Almost surely, 2^505077112155 is an apocalyptic number.

505077112155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

505077112155 is an abundant number, since it is smaller than the sum of its proper divisors (527027345061).

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

505077112155 is a wasteful number, since it uses less digits than its factorization.

505077112155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665828.

The product of its (nonzero) digits is 61250, while the sum is 39.

The spelling of 505077112155 in words is "five hundred five billion, seventy-seven million, one hundred twelve thousand, one hundred fifty-five".