1115536656 has 40 divisors (see below), whose sum is σ = 3103481920. Its totient is φ = 343241856.

The previous prime is 1115536621. The next prime is 1115536673. The reversal of 1115536656 is 6566355111.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 893236 + ... + 894483.

It is an arithmetic number, because the mean of its divisors is an integer number (77587048).

Almost surely, 2^1115536656 is an apocalyptic number.

1115536656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1115536656 is an abundant number, since it is smaller than the sum of its proper divisors (1987945264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115536656 is a wasteful number, since it uses less digits than its factorization.

1115536656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787743 (or 1787737 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 1115536656 is about 33399.6505370939. The cubic root of 1115536656 is about 1037.1174666778.

The spelling of 1115536656 in words is "one billion, one hundred fifteen million, five hundred thirty-six thousand, six hundred fifty-six".