110111091611503 has 2 divisors, whose sum is σ = 110111091611504. Its totient is φ = 110111091611502.

The previous prime is 110111091611501. The next prime is 110111091611513. The reversal of 110111091611503 is 305116190111011.

It is a weak prime.

It is an emirp because it is prime and its reverse (305116190111011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110111091611503 - 2¹ = 110111091611501 is a prime.

Together with 110111091611501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110111091611501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055545805751 + 55055545805752.

It is an arithmetic number, because the mean of its divisors is an integer number (55055545805752).

Almost surely, 2^{110111091611503} is an apocalyptic number.

110111091611503 is a deficient number, since it is larger than the sum of its proper divisors (1).

110111091611503 is an equidigital number, since it uses as much as digits as its factorization.

110111091611503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 31.

The spelling of 110111091611503 in words is "one hundred ten trillion, one hundred eleven billion, ninety-one million, six hundred eleven thousand, five hundred three".