2111365506 has 16 divisors (see below), whose sum is σ = 4285757664. Its totient is φ = 693284064.

The previous prime is 2111365483. The next prime is 2111365513. The reversal of 2111365506 is 6055631112.

2111365506 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2625675 + ... + 2626478.

It is an arithmetic number, because the mean of its divisors is an integer number (267859854).

Almost surely, 2^2111365506 is an apocalyptic number.

2111365506 is an abundant number, since it is smaller than the sum of its proper divisors (2174392158).

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

2111365506 is a wasteful number, since it uses less digits than its factorization.

2111365506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252225.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2111365506 is about 45949.5974519908. The cubic root of 2111365506 is about 1282.8852367253.

Adding to 2111365506 its reverse (6055631112), we get a palindrome (8166996618).

The spelling of 2111365506 in words is "two billion, one hundred eleven million, three hundred sixty-five thousand, five hundred six".