5011222511 has 4 divisors (see below), whose sum is σ = 5011483152. Its totient is φ = 5010961872.

The previous prime is 5011222501. The next prime is 5011222523. The reversal of 5011222511 is 1152221105.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5011222511 is a prime.

It is a super-2 number, since 2×5011222511² = 50224702109506290242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011222501) 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, 98966 + ... + 140771.

It is an arithmetic number, because the mean of its divisors is an integer number (1252870788).

Almost surely, 2^5011222511 is an apocalyptic number.

5011222511 is a deficient number, since it is larger than the sum of its proper divisors (260641).

5011222511 is a wasteful number, since it uses less digits than its factorization.

5011222511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260640.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 5011222511 is about 70789.9887766625. The cubic root of 5011222511 is about 1711.2543389599.

Adding to 5011222511 its reverse (1152221105), we get a palindrome (6163443616).

The spelling of 5011222511 in words is "five billion, eleven million, two hundred twenty-two thousand, five hundred eleven".