5011491211 has 4 divisors (see below), whose sum is σ = 5096431800. Its totient is φ = 4926550624.

The previous prime is 5011491179. The next prime is 5011491293. The reversal of 5011491211 is 1121941105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5011491211 - 2⁵ = 5011491179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5011491311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42470206 + ... + 42470323.

It is an arithmetic number, because the mean of its divisors is an integer number (1274107950).

Almost surely, 2^5011491211 is an apocalyptic number.

5011491211 is a deficient number, since it is larger than the sum of its proper divisors (84940589).

5011491211 is an equidigital number, since it uses as much as digits as its factorization.

5011491211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84940588.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 5011491211 is about 70791.8866184537. The cubic root of 5011491211 is about 1711.2849240331.

The spelling of 5011491211 in words is "five billion, eleven million, four hundred ninety-one thousand, two hundred eleven".