111010109061493 has 2 divisors, whose sum is σ = 111010109061494. Its totient is φ = 111010109061492.

The previous prime is 111010109061479. The next prime is 111010109061499. The reversal of 111010109061493 is 394160901010111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68544854589124 + 42465254472369 = 8279182^2 + 6516537^2 .

It is a cyclic number.

It is not a de Polignac number, because 111010109061493 - 2⁵ = 111010109061461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111010109061499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505054530746 + 55505054530747.

It is an arithmetic number, because the mean of its divisors is an integer number (55505054530747).

Almost surely, 2^{111010109061493} is an apocalyptic number.

It is an amenable number.

111010109061493 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010109061493 is an equidigital number, since it uses as much as digits as its factorization.

111010109061493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 111010109061493 in words is "one hundred eleven trillion, ten billion, one hundred nine million, sixty-one thousand, four hundred ninety-three".