11444944901 has 16 divisors (see below), whose sum is σ = 13471331328. Its totient is φ = 9622368000.

The previous prime is 11444944883. The next prime is 11444944991. The reversal of 11444944901 is 10944944411.

It is a cyclic number.

It is not a de Polignac number, because 11444944901 - 2⁶ = 11444944837 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444944991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828425 + ... + 842126.

It is an arithmetic number, because the mean of its divisors is an integer number (841958208).

Almost surely, 2^11444944901 is an apocalyptic number.

It is an amenable number.

11444944901 is a deficient number, since it is larger than the sum of its proper divisors (2026386427).

11444944901 is a wasteful number, since it uses less digits than its factorization.

11444944901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670612.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 11444944901 in words is "eleven billion, four hundred forty-four million, nine hundred forty-four thousand, nine hundred one".