111035636113 has 4 divisors (see below), whose sum is σ = 112283227620. Its totient is φ = 109788044608.

The previous prime is 111035636111. The next prime is 111035636203. The reversal of 111035636113 is 311636530111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311636530111 = 359 ⋅868068329.

It can be written as a sum of positive squares in 2 ways, for example, as 64850187649 + 46185448464 = 254657^2 + 214908^2 .

It is a cyclic number.

It is not a de Polignac number, because 111035636113 - 2¹ = 111035636111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111035636111) 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, 623795620 + ... + 623795797.

It is an arithmetic number, because the mean of its divisors is an integer number (28070806905).

Almost surely, 2^111035636113 is an apocalyptic number.

It is an amenable number.

111035636113 is a deficient number, since it is larger than the sum of its proper divisors (1247591507).

111035636113 is an equidigital number, since it uses as much as digits as its factorization.

111035636113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247591506.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 111035636113 in words is "one hundred eleven billion, thirty-five million, six hundred thirty-six thousand, one hundred thirteen".