11125827447 has 12 divisors (see below), whose sum is σ = 17256385656. Its totient is φ = 6357615600.

The previous prime is 11125827413. The next prime is 11125827457. The reversal of 11125827447 is 74472852111.

It is a happy number.

It is not a de Polignac number, because 11125827447 - 2²² = 11121633143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11125827399 and 11125827408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125827457) 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, 37842804 + ... + 37843097.

It is an arithmetic number, because the mean of its divisors is an integer number (1438032138).

Almost surely, 2^11125827447 is an apocalyptic number.

11125827447 is a deficient number, since it is larger than the sum of its proper divisors (6130558209).

11125827447 is an equidigital number, since it uses as much as digits as its factorization.

11125827447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75685918 (or 75685911 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The spelling of 11125827447 in words is "eleven billion, one hundred twenty-five million, eight hundred twenty-seven thousand, four hundred forty-seven".