1117012255 has 4 divisors (see below), whose sum is σ = 1340414712. Its totient is φ = 893609800.

The previous prime is 1117012229. The next prime is 1117012339. The reversal of 1117012255 is 5522107111.

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-1117012255 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, 111701221 + ... + 111701230.

It is an arithmetic number, because the mean of its divisors is an integer number (335103678).

Almost surely, 2^1117012255 is an apocalyptic number.

1117012255 is a deficient number, since it is larger than the sum of its proper divisors (223402457).

1117012255 is an equidigital number, since it uses as much as digits as its factorization.

1117012255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223402456.

The product of its (nonzero) digits is 700, while the sum is 25.

The square root of 1117012255 is about 33421.7332734255. The cubic root of 1117012255 is about 1037.5745546656.

Adding to 1117012255 its reverse (5522107111), we get a palindrome (6639119366).

The spelling of 1117012255 in words is "one billion, one hundred seventeen million, twelve thousand, two hundred fifty-five".