1115656655 has 8 divisors (see below), whose sum is σ = 1352590512. Its totient is φ = 883323648.

The previous prime is 1115656643. The next prime is 1115656657. The reversal of 1115656655 is 5566565111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115656655 - 2⁴ = 1115656639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115656657) 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, 1149677 + ... + 1150646.

It is an arithmetic number, because the mean of its divisors is an integer number (169073814).

Almost surely, 2^1115656655 is an apocalyptic number.

1115656655 is a deficient number, since it is larger than the sum of its proper divisors (236933857).

1115656655 is an equidigital number, since it uses as much as digits as its factorization.

1115656655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300425.

The product of its digits is 135000, while the sum is 41.

The square root of 1115656655 is about 33401.4468997976. The cubic root of 1115656655 is about 1037.1546531435.

The spelling of 1115656655 in words is "one billion, one hundred fifteen million, six hundred fifty-six thousand, six hundred fifty-five".