1015116055 has 4 divisors (see below), whose sum is σ = 1218139272. Its totient is φ = 812092840.

The previous prime is 1015116043. The next prime is 1015116061. The reversal of 1015116055 is 5506115101.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1015116055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101511601 + ... + 101511610.

It is an arithmetic number, because the mean of its divisors is an integer number (304534818).

Almost surely, 2^1015116055 is an apocalyptic number.

1015116055 is a deficient number, since it is larger than the sum of its proper divisors (203023217).

1015116055 is an equidigital number, since it uses as much as digits as its factorization.

1015116055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203023216.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 1015116055 is about 31860.8859732431. The cubic root of 1015116055 is about 1005.0135077349.

The spelling of 1015116055 in words is "one billion, fifteen million, one hundred sixteen thousand, fifty-five".