110349991 has 2 divisors, whose sum is σ = 110349992. Its totient is φ = 110349990.

The previous prime is 110349973. The next prime is 110350003. The reversal of 110349991 is 199943011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110349991 - 2⁹ = 110349479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110349991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110349391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55174995 + 55174996.

It is an arithmetic number, because the mean of its divisors is an integer number (55174996).

Almost surely, 2^110349991 is an apocalyptic number.

110349991 is a deficient number, since it is larger than the sum of its proper divisors (1).

110349991 is an equidigital number, since it uses as much as digits as its factorization.

110349991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 110349991 is about 10504.7603970771. The cubic root of 110349991 is about 479.6496155313.

It can be divided in two parts, 11034 and 9991, that added together give a square (21025 = 145²).

The spelling of 110349991 in words is "one hundred ten million, three hundred forty-nine thousand, nine hundred ninety-one".