115105111102 has 16 divisors (see below), whose sum is σ = 173322918432. Its totient is φ = 57331058400.

The previous prime is 115105111087. The next prime is 115105111103. The reversal of 115105111102 is 201111501511.

It is a self number, because there is not a number n which added to its sum of digits gives 115105111102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115105111103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858727 + ... + 983677.

It is an arithmetic number, because the mean of its divisors is an integer number (10832682402).

Almost surely, 2^115105111102 is an apocalyptic number.

115105111102 is a deficient number, since it is larger than the sum of its proper divisors (58217807330).

115105111102 is a wasteful number, since it uses less digits than its factorization.

115105111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126723.

The product of its (nonzero) digits is 50, while the sum is 19.

Adding to 115105111102 its reverse (201111501511), we get a palindrome (316216612613).

The spelling of 115105111102 in words is "one hundred fifteen billion, one hundred five million, one hundred eleven thousand, one hundred two".