115010111505 has 16 divisors (see below), whose sum is σ = 185359365504. Its totient is φ = 60890997120.

The previous prime is 115010111501. The next prime is 115010111521. The reversal of 115010111505 is 505111010511.

It is not a de Polignac number, because 115010111505 - 2² = 115010111501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115010111501) 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, 27980941 + ... + 27985050.

It is an arithmetic number, because the mean of its divisors is an integer number (11584960344).

Almost surely, 2^115010111505 is an apocalyptic number.

115010111505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115010111505 is a deficient number, since it is larger than the sum of its proper divisors (70349253999).

115010111505 is a wasteful number, since it uses less digits than its factorization.

115010111505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55966136.

The product of its (nonzero) digits is 125, while the sum is 21.

The spelling of 115010111505 in words is "one hundred fifteen billion, ten million, one hundred eleven thousand, five hundred five".