5191913011 has 4 divisors (see below), whose sum is σ = 5192249832. Its totient is φ = 5191576192.

The previous prime is 5191913003. The next prime is 5191913047. The reversal of 5191913011 is 1103191915.

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 5191913011 - 2³ = 5191913003 is a prime.

It is a super-2 number, since 2×5191913011² = 53911921427582172242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5191913711) 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, 144121 + ... + 176506.

It is an arithmetic number, because the mean of its divisors is an integer number (1298062458).

Almost surely, 2^5191913011 is an apocalyptic number.

5191913011 is a deficient number, since it is larger than the sum of its proper divisors (336821).

5191913011 is a wasteful number, since it uses less digits than its factorization.

5191913011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336820.

The product of its (nonzero) digits is 1215, while the sum is 31.

The square root of 5191913011 is about 72054.9305113814. The cubic root of 5191913011 is about 1731.5796336608.

The spelling of 5191913011 in words is "five billion, one hundred ninety-one million, nine hundred thirteen thousand, eleven".