1165557675 has 48 divisors (see below), whose sum is σ = 1960945920. Its totient is φ = 610800000.

The previous prime is 1165557671. The next prime is 1165557677. The reversal of 1165557675 is 5767555611.

It is not a de Polignac number, because 1165557675 - 2² = 1165557671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1165557671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1143316 + ... + 1144334.

It is an arithmetic number, because the mean of its divisors is an integer number (40853040).

Almost surely, 2^1165557675 is an apocalyptic number.

1165557675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1165557675 is a deficient number, since it is larger than the sum of its proper divisors (795388245).

1165557675 is a wasteful number, since it uses less digits than its factorization.

1165557675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1279 counting only the distinct ones).

The product of its digits is 1102500, while the sum is 48.

The square root of 1165557675 is about 34140.2647177786. The cubic root of 1165557675 is about 1052.3929324269.

The spelling of 1165557675 in words is "one billion, one hundred sixty-five million, five hundred fifty-seven thousand, six hundred seventy-five".