111727617653 has 2 divisors, whose sum is σ = 111727617654. Its totient is φ = 111727617652.

The previous prime is 111727617649. The next prime is 111727617671. The reversal of 111727617653 is 356716727111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86864004529 + 24863613124 = 294727^2 + 157682^2 .

It is a cyclic number.

It is not a de Polignac number, because 111727617653 - 2² = 111727617649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111727617598 and 111727617607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111727517653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55863808826 + 55863808827.

It is an arithmetic number, because the mean of its divisors is an integer number (55863808827).

Almost surely, 2^111727617653 is an apocalyptic number.

It is an amenable number.

111727617653 is a deficient number, since it is larger than the sum of its proper divisors (1).

111727617653 is an equidigital number, since it uses as much as digits as its factorization.

111727617653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 47.

The spelling of 111727617653 in words is "one hundred eleven billion, seven hundred twenty-seven million, six hundred seventeen thousand, six hundred fifty-three".