1155113560 has 32 divisors (see below), whose sum is σ = 2616462000. Its totient is φ = 458942080.

The previous prime is 1155113551. The next prime is 1155113563. The reversal of 1155113560 is 653115511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155113563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90946 + ... + 102865.

Almost surely, 2^1155113560 is an apocalyptic number.

1155113560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155113560 is an abundant number, since it is smaller than the sum of its proper divisors (1461348440).

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

1155113560 is a wasteful number, since it uses less digits than its factorization.

1155113560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193971 (or 193967 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 1155113560 is about 33986.9616176557. The cubic root of 1155113560 is about 1049.2401335262.

The spelling of 1155113560 in words is "one billion, one hundred fifty-five million, one hundred thirteen thousand, five hundred sixty".