111326725949 has 2 divisors, whose sum is σ = 111326725950. Its totient is φ = 111326725948.

The previous prime is 111326725927. The next prime is 111326725967. The reversal of 111326725949 is 949527623111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94929923449 + 16396802500 = 308107^2 + 128050^2 .

It is a cyclic number.

It is not a de Polignac number, because 111326725949 - 2³⁶ = 42607249213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111326725897 and 111326725906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111326725969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55663362974 + 55663362975.

It is an arithmetic number, because the mean of its divisors is an integer number (55663362975).

Almost surely, 2^111326725949 is an apocalyptic number.

It is an amenable number.

111326725949 is a deficient number, since it is larger than the sum of its proper divisors (1).

111326725949 is an equidigital number, since it uses as much as digits as its factorization.

111326725949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The spelling of 111326725949 in words is "one hundred eleven billion, three hundred twenty-six million, seven hundred twenty-five thousand, nine hundred forty-nine".