1161375632 has 10 divisors (see below), whose sum is σ = 2250165318. Its totient is φ = 580687808.

The previous prime is 1161375623. The next prime is 1161375643. The reversal of 1161375632 is 2365731611.

It can be written as a sum of positive squares in only one way, i.e., 1113156496 + 48219136 = 33364^2 + 6944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1161375592 and 1161375601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36292973 + ... + 36293004.

Almost surely, 2^1161375632 is an apocalyptic number.

It is an amenable number.

1161375632 is a deficient number, since it is larger than the sum of its proper divisors (1088789686).

1161375632 is an equidigital number, since it uses as much as digits as its factorization.

1161375632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72585985 (or 72585979 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 1161375632 is about 34078.9617212731. The cubic root of 1161375632 is about 1051.1327554562.

The spelling of 1161375632 in words is "one billion, one hundred sixty-one million, three hundred seventy-five thousand, six hundred thirty-two".