11442881673 has 24 divisors (see below), whose sum is σ = 16819395840. Its totient is φ = 7494541920.

The previous prime is 11442881647. The next prime is 11442881677. The reversal of 11442881673 is 37618824411.

It is not a de Polignac number, because 11442881673 - 2¹⁰ = 11442880649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11442881677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962103 + ... + 973923.

It is an arithmetic number, because the mean of its divisors is an integer number (700808160).

Almost surely, 2^11442881673 is an apocalyptic number.

It is an amenable number.

11442881673 is a deficient number, since it is larger than the sum of its proper divisors (5376514167).

11442881673 is a wasteful number, since it uses less digits than its factorization.

11442881673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709 (or 13706 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The spelling of 11442881673 in words is "eleven billion, four hundred forty-two million, eight hundred eighty-one thousand, six hundred seventy-three".