11115610601 has 2 divisors, whose sum is σ = 11115610602. Its totient is φ = 11115610600.

The previous prime is 11115610567. The next prime is 11115610619. The reversal of 11115610601 is 10601651111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10826610601 + 289000000 = 104051^2 + 17000^2 .

It is an emirp because it is prime and its reverse (10601651111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11115610601 - 2²² = 11111416297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11115610621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557805300 + 5557805301.

It is an arithmetic number, because the mean of its divisors is an integer number (5557805301).

Almost surely, 2^11115610601 is an apocalyptic number.

It is an amenable number.

11115610601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115610601 is an equidigital number, since it uses as much as digits as its factorization.

11115610601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 11115610601 in words is "eleven billion, one hundred fifteen million, six hundred ten thousand, six hundred one".