4991695511 has 8 divisors (see below), whose sum is σ = 5578303248. Its totient is φ = 4427224000.

The previous prime is 4991695469. The next prime is 4991695519. The reversal of 4991695511 is 1155961994.

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

It is a cyclic number.

It is not a de Polignac number, because 4991695511 - 2¹⁴ = 4991679127 is a prime.

It is a super-2 number, since 2×4991695511² = 49834048149075102242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4991695511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991695519) 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, 5533580 + ... + 5534481.

It is an arithmetic number, because the mean of its divisors is an integer number (697287906).

Almost surely, 2^4991695511 is an apocalyptic number.

4991695511 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4991695511 is a deficient number, since it is larger than the sum of its proper divisors (586607737).

4991695511 is a wasteful number, since it uses less digits than its factorization.

4991695511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11068113.

The product of its digits is 437400, while the sum is 50.

The square root of 4991695511 is about 70651.9321108772. The cubic root of 4991695511 is about 1709.0287236401.

The spelling of 4991695511 in words is "four billion, nine hundred ninety-one million, six hundred ninety-five thousand, five hundred eleven".