491114911 has 8 divisors (see below), whose sum is σ = 574327424. Its totient is φ = 411165720.

The previous prime is 491114909. The next prime is 491114917. The reversal of 491114911 is 119411194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 491114911 - 2¹ = 491114909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491114917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815505 + ... + 816106.

It is an arithmetic number, because the mean of its divisors is an integer number (71790928).

Almost surely, 2^491114911 is an apocalyptic number.

491114911 is a deficient number, since it is larger than the sum of its proper divisors (83212513).

491114911 is a wasteful number, since it uses less digits than its factorization.

491114911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631661.

The product of its digits is 1296, while the sum is 31.

The square root of 491114911 is about 22161.1125848862. The cubic root of 491114911 is about 788.9709996446.

The spelling of 491114911 in words is "four hundred ninety-one million, one hundred fourteen thousand, nine hundred eleven".