11442638968 has 8 divisors (see below), whose sum is σ = 21454948080. Its totient is φ = 5721319480.

The previous prime is 11442638939. The next prime is 11442638971. The reversal of 11442638968 is 86983624411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent 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 as a sum of consecutive naturals, namely, 715164928 + ... + 715164943.

It is an arithmetic number, because the mean of its divisors is an integer number (2681868510).

Almost surely, 2^11442638968 is an apocalyptic number.

It is an amenable number.

11442638968 is a deficient number, since it is larger than the sum of its proper divisors (10012309112).

11442638968 is a wasteful number, since it uses less digits than its factorization.

11442638968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430329877 (or 1430329873 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The spelling of 11442638968 in words is "eleven billion, four hundred forty-two million, six hundred thirty-eight thousand, nine hundred sixty-eight".