1158275763 has 6 divisors (see below), whose sum is σ = 1673065004. Its totient is φ = 772183836.

The previous prime is 1158275731. The next prime is 1158275803. The reversal of 1158275763 is 3675728511.

It is a happy number.

1158275763 is a `hidden beast` number, since 1 + 1 + 58 + 27 + 576 + 3 = 666.

It is not a de Polignac number, because 1158275763 - 2⁵ = 1158275731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158277763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64348645 + ... + 64348662.

Almost surely, 2^1158275763 is an apocalyptic number.

1158275763 is a deficient number, since it is larger than the sum of its proper divisors (514789241).

1158275763 is a wasteful number, since it uses less digits than its factorization.

1158275763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128697313 (or 128697310 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 1158275763 is about 34033.4506478553. The cubic root of 1158275763 is about 1050.1967168844.

The spelling of 1158275763 in words is "one billion, one hundred fifty-eight million, two hundred seventy-five thousand, seven hundred sixty-three".