11291956044 has 24 divisors (see below), whose sum is σ = 27734629440. Its totient is φ = 3565880784.

The previous prime is 11291956033. The next prime is 11291956061. The reversal of 11291956044 is 44065919211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11291955987 and 11291956005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24762834 + ... + 24763289.

It is an arithmetic number, because the mean of its divisors is an integer number (1155609560).

Almost surely, 2^11291956044 is an apocalyptic number.

It is an amenable number.

11291956044 is an abundant number, since it is smaller than the sum of its proper divisors (16442673396).

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

11291956044 is a wasteful number, since it uses less digits than its factorization.

11291956044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49526149 (or 49526147 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 11291956044 in words is "eleven billion, two hundred ninety-one million, nine hundred fifty-six thousand, forty-four".