115105055 has 24 divisors (see below), whose sum is σ = 150601680. Its totient is φ = 84414720.

The previous prime is 115105049. The next prime is 115105061. The reversal of 115105055 is 550501511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115105049) and next prime (115105061).

It is not a de Polignac number, because 115105055 - 2⁶ = 115104991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115105055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150875 + ... + 151635.

It is an arithmetic number, because the mean of its divisors is an integer number (6275070).

Almost surely, 2^115105055 is an apocalyptic number.

115105055 is a deficient number, since it is larger than the sum of its proper divisors (35496625).

115105055 is a wasteful number, since it uses less digits than its factorization.

115105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 115105055 is about 10728.7023912494. The cubic root of 115105055 is about 486.4424482135.

Adding to 115105055 its reverse (550501511), we get a palindrome (665606566).

The spelling of 115105055 in words is "one hundred fifteen million, one hundred five thousand, fifty-five".