10994887944 has 32 divisors (see below), whose sum is σ = 30541356000. Its totient is φ = 3664962576.

The previous prime is 10994887933. The next prime is 10994887951. The reversal of 10994887944 is 44978849901.

It is a happy number.

10994887944 is a `hidden beast` number, since 109 + 9 + 488 + 7 + 9 + 44 = 666.

It is a super-2 number, since 2×10994887944² (a number of 21 digits) contains 22 as substring.

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, 25450914 + ... + 25451345.

It is an arithmetic number, because the mean of its divisors is an integer number (954417375).

Almost surely, 2^10994887944 is an apocalyptic number.

It is an amenable number.

10994887944 is an abundant number, since it is smaller than the sum of its proper divisors (19546468056).

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

10994887944 is a wasteful number, since it uses less digits than its factorization.

10994887944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50902274 (or 50902264 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 10994887944 in words is "ten billion, nine hundred ninety-four million, eight hundred eighty-seven thousand, nine hundred forty-four".