1160385975 has 72 divisors (see below), whose sum is σ = 2420282592. Its totient is φ = 520416000.

The previous prime is 1160385953. The next prime is 1160385979. The reversal of 1160385975 is 5795830611.

It is a happy number.

It is not a de Polignac number, because 1160385975 - 2⁶ = 1160385911 is a prime.

It is a super-2 number, since 2×1160385975² = 2692991221953401250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1160385975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160385979) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 76525 + ... + 90425.

It is an arithmetic number, because the mean of its divisors is an integer number (33615036).

Almost surely, 2^1160385975 is an apocalyptic number.

1160385975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1160385975 is an abundant number, since it is smaller than the sum of its proper divisors (1259896617).

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

1160385975 is a wasteful number, since it uses less digits than its factorization.

1160385975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13977 (or 13969 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 1160385975 is about 34064.4385686892. The cubic root of 1160385975 is about 1050.8340991375.

The spelling of 1160385975 in words is "one billion, one hundred sixty million, three hundred eighty-five thousand, nine hundred seventy-five".