11727894445 has 8 divisors (see below), whose sum is σ = 14074057080. Its totient is φ = 9381926400.

The previous prime is 11727894407. The next prime is 11727894469. The reversal of 11727894445 is 54449872711.

It can be written as a sum of positive squares in 4 ways, for example, as 2215208356 + 9512686089 = 47066^2 + 97533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11727894445 - 2²⁹ = 11191023533 is a prime.

It is a super-2 number, since 2×11727894445² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11727894392 and 11727894401.

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, 193845 + ... + 247045.

It is an arithmetic number, because the mean of its divisors is an integer number (1759257135).

Almost surely, 2^11727894445 is an apocalyptic number.

It is an amenable number.

11727894445 is a deficient number, since it is larger than the sum of its proper divisors (2346162635).

11727894445 is an equidigital number, since it uses as much as digits as its factorization.

11727894445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97295.

The product of its digits is 2257920, while the sum is 52.

The spelling of 11727894445 in words is "eleven billion, seven hundred twenty-seven million, eight hundred ninety-four thousand, four hundred forty-five".