505530025111 has 16 divisors (see below), whose sum is σ = 513360252160. Its totient is φ = 497775196800.

The previous prime is 505530025109. The next prime is 505530025139. The reversal of 505530025111 is 111520035505.

It is a cyclic number.

It is not a de Polignac number, because 505530025111 - 2¹ = 505530025109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505530025111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505530025141) 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, 9301231 + ... + 9355423.

It is an arithmetic number, because the mean of its divisors is an integer number (32085015760).

Almost surely, 2^505530025111 is an apocalyptic number.

505530025111 is a deficient number, since it is larger than the sum of its proper divisors (7830227049).

505530025111 is a wasteful number, since it uses less digits than its factorization.

505530025111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54886.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 505530025111 in words is "five hundred five billion, five hundred thirty million, twenty-five thousand, one hundred eleven".