11456642041623 has 12 divisors (see below), whose sum is σ = 16757957417760. Its totient is φ = 7541080837056.

The previous prime is 11456642041613. The next prime is 11456642041631. The reversal of 11456642041623 is 32614024665411.

11456642041623 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 66 + 420 + 4 + 162 + 3 = 666.

11456642041623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11456642041623 - 2⁹ = 11456642041111 is a prime.

It is a super-4 number, since 4×11456642041623⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456642041613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8056709586 + ... + 8056711007.

It is an arithmetic number, because the mean of its divisors is an integer number (1396496451480).

Almost surely, 2^{11456642041623} is an apocalyptic number.

11456642041623 is a deficient number, since it is larger than the sum of its proper divisors (5301315376137).

11456642041623 is a wasteful number, since it uses less digits than its factorization.

11456642041623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16113420678 (or 16113420675 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 11456642041623 in words is "eleven trillion, four hundred fifty-six billion, six hundred forty-two million, forty-one thousand, six hundred twenty-three".