505106520115377 has 32 divisors (see below), whose sum is σ = 750655246907520. Its totient is φ = 300236055183360.

The previous prime is 505106520115357. The next prime is 505106520115391. The reversal of 505106520115377 is 773511025601505.

It is not a de Polignac number, because 505106520115377 - 2¹⁵ = 505106520082609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505106520115357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11073393 + ... + 33657585.

It is an arithmetic number, because the mean of its divisors is an integer number (23457976465860).

Almost surely, 2^{505106520115377} is an apocalyptic number.

505106520115377 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

505106520115377 is a deficient number, since it is larger than the sum of its proper divisors (245548726792143).

505106520115377 is a wasteful number, since it uses less digits than its factorization.

505106520115377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22607313.

The product of its (nonzero) digits is 1102500, while the sum is 48.

The spelling of 505106520115377 in words is "five hundred five trillion, one hundred six billion, five hundred twenty million, one hundred fifteen thousand, three hundred seventy-seven".