110019491 has 2 divisors, whose sum is σ = 110019492. Its totient is φ = 110019490.

The previous prime is 110019487. The next prime is 110019521. The reversal of 110019491 is 194910011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110019491 - 2² = 110019487 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110019491.

It is not a weakly prime, because it can be changed into another prime (110019421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55009745 + 55009746.

It is an arithmetic number, because the mean of its divisors is an integer number (55009746).

Almost surely, 2^110019491 is an apocalyptic number.

110019491 is a deficient number, since it is larger than the sum of its proper divisors (1).

110019491 is an equidigital number, since it uses as much as digits as its factorization.

110019491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 110019491 is about 10489.0176375102. The cubic root of 110019491 is about 479.1702839030.

The spelling of 110019491 in words is "one hundred ten million, nineteen thousand, four hundred ninety-one".