1161294871244 has 12 divisors (see below), whose sum is σ = 2032378264224. Its totient is φ = 580615367184.

The previous prime is 1161294871213. The next prime is 1161294871327. The reversal of 1161294871244 is 4421784921611.

It is a junction number, because it is equal to n+sod(n) for n = 1161294871192 and 1161294871201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7935539 + ... + 8080554.

It is an arithmetic number, because the mean of its divisors is an integer number (169364855352).

Almost surely, 2^{1161294871244} is an apocalyptic number.

It is an amenable number.

1161294871244 is a deficient number, since it is larger than the sum of its proper divisors (871083392980).

1161294871244 is a wasteful number, since it uses less digits than its factorization.

1161294871244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16034224 (or 16034222 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The spelling of 1161294871244 in words is "one trillion, one hundred sixty-one billion, two hundred ninety-four million, eight hundred seventy-one thousand, two hundred forty-four".