111101101726493 has 2 divisors, whose sum is σ = 111101101726494. Its totient is φ = 111101101726492.

The previous prime is 111101101726477. The next prime is 111101101726507. The reversal of 111101101726493 is 394627101101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104078294323129 + 7022807403364 = 10201877^2 + 2650058^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101101726493 - 2⁴ = 111101101726477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101101726403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550550863246 + 55550550863247.

It is an arithmetic number, because the mean of its divisors is an integer number (55550550863247).

Almost surely, 2^{111101101726493} is an apocalyptic number.

It is an amenable number.

111101101726493 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101101726493 is an equidigital number, since it uses as much as digits as its factorization.

111101101726493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 111101101726493 in words is "one hundred eleven trillion, one hundred one billion, one hundred one million, seven hundred twenty-six thousand, four hundred ninety-three".