111336135649 has 4 divisors (see below), whose sum is σ = 112002819264. Its totient is φ = 110669452036.

The previous prime is 111336135637. The next prime is 111336135727. The reversal of 111336135649 is 946531633111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 946531633111 = 308093 ⋅3072227.

It is a cyclic number.

It is not a de Polignac number, because 111336135649 - 2³³ = 102746201057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111336135149) 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, 333341557 + ... + 333341890.

It is an arithmetic number, because the mean of its divisors is an integer number (28000704816).

Almost surely, 2^111336135649 is an apocalyptic number.

It is an amenable number.

111336135649 is a deficient number, since it is larger than the sum of its proper divisors (666683615).

111336135649 is an equidigital number, since it uses as much as digits as its factorization.

111336135649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666683614.

The product of its digits is 174960, while the sum is 43.

The spelling of 111336135649 in words is "one hundred eleven billion, three hundred thirty-six million, one hundred thirty-five thousand, six hundred forty-nine".