1160155560 has 32 divisors (see below), whose sum is σ = 3480467040. Its totient is φ = 309374784.

The previous prime is 1160155559. The next prime is 1160155603. The reversal of 1160155560 is 655510611.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 4833862 + ... + 4834101.

It is an arithmetic number, because the mean of its divisors is an integer number (108764595).

Almost surely, 2^1160155560 is an apocalyptic number.

1160155560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1160155560 is an abundant number, since it is smaller than the sum of its proper divisors (2320311480).

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

1160155560 is a wasteful number, since it uses less digits than its factorization.

1160155560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667977 (or 9667973 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1160155560 is about 34061.0563547286. The cubic root of 1160155560 is about 1050.7645406825.

It can be divided in two parts, 11601 and 55560, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 1160155560 in words is "one billion, one hundred sixty million, one hundred fifty-five thousand, five hundred sixty".