11894556053 has 4 divisors (see below), whose sum is σ = 12411710688. Its totient is φ = 11377401420.

The previous prime is 11894556031. The next prime is 11894556077. The reversal of 11894556053 is 35065549811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11894556053 - 2⁶ = 11894555989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11894555989 and 11894556007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894556013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258577283 + ... + 258577328.

It is an arithmetic number, because the mean of its divisors is an integer number (3102927672).

Almost surely, 2^11894556053 is an apocalyptic number.

It is an amenable number.

11894556053 is a deficient number, since it is larger than the sum of its proper divisors (517154635).

11894556053 is an equidigital number, since it uses as much as digits as its factorization.

11894556053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517154634.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 11894556053 in words is "eleven billion, eight hundred ninety-four million, five hundred fifty-six thousand, fifty-three".