11456644454 has 16 divisors (see below), whose sum is σ = 18328670928. Its totient is φ = 5352006912.

The previous prime is 11456644447. The next prime is 11456644469. The reversal of 11456644454 is 45444665411.

It is a congruent number.

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, 1225124 + ... + 1234439.

It is an arithmetic number, because the mean of its divisors is an integer number (1145541933).

Almost surely, 2^11456644454 is an apocalyptic number.

11456644454 is a deficient number, since it is larger than the sum of its proper divisors (6872026474).

11456644454 is a wasteful number, since it uses less digits than its factorization.

11456644454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459719.

The product of its digits is 921600, while the sum is 44.

The spelling of 11456644454 in words is "eleven billion, four hundred fifty-six million, six hundred forty-four thousand, four hundred fifty-four".