1115655506 has 16 divisors (see below), whose sum is σ = 1918593216. Its totient is φ = 476627856.

The previous prime is 1115655479. The next prime is 1115655523. The reversal of 1115655506 is 6055565111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121256 + ... + 130131.

It is an arithmetic number, because the mean of its divisors is an integer number (119912076).

Almost surely, 2^1115655506 is an apocalyptic number.

1115655506 is a deficient number, since it is larger than the sum of its proper divisors (802937710).

1115655506 is a wasteful number, since it uses less digits than its factorization.

1115655506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251713.

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 1115655506 is about 33401.4296999395. The cubic root of 1115655506 is about 1037.1542970927.

The spelling of 1115655506 in words is "one billion, one hundred fifteen million, six hundred fifty-five thousand, five hundred six".