11147042956 has 24 divisors (see below), whose sum is σ = 22380847776. Its totient is φ = 4758712320.

The previous prime is 11147042927. The next prime is 11147043001. The reversal of 11147042956 is 65924074111.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767335 + ... + 781726.

It is an arithmetic number, because the mean of its divisors is an integer number (932535324).

Almost surely, 2^11147042956 is an apocalyptic number.

It is an amenable number.

11147042956 is an abundant number, since it is smaller than the sum of its proper divisors (11233804820).

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

11147042956 is a wasteful number, since it uses less digits than its factorization.

11147042956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549329 (or 1549327 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 11147042956 in words is "eleven billion, one hundred forty-seven million, forty-two thousand, nine hundred fifty-six".