1161115696 has 20 divisors (see below), whose sum is σ = 2422712992. Its totient is φ = 535899456.

The previous prime is 1161115651. The next prime is 1161115699. The reversal of 1161115696 is 6965111611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1161115699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2790936 + ... + 2791351.

Almost surely, 2^1161115696 is an apocalyptic number.

1161115696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1161115696 is an abundant number, since it is smaller than the sum of its proper divisors (1261597296).

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

1161115696 is a wasteful number, since it uses less digits than its factorization.

1161115696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582308 (or 5582302 counting only the distinct ones).

The product of its digits is 9720, while the sum is 37.

The square root of 1161115696 is about 34075.1477766421. The cubic root of 1161115696 is about 1051.0543290272.

The spelling of 1161115696 in words is "one billion, one hundred sixty-one million, one hundred fifteen thousand, six hundred ninety-six".