5111000605511 has 16 divisors (see below), whose sum is σ = 5392084151040. Its totient is φ = 4831135565760.

The previous prime is 5111000605507. The next prime is 5111000605541. The reversal of 5111000605511 is 1155060001115.

It is a cyclic number.

It is not a de Polignac number, because 5111000605511 - 2² = 5111000605507 is a prime.

It is a super-2 number, since 2×5111000605511² (a number of 26 digits) 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 (5111000605541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18119291 + ... + 18399203.

It is an arithmetic number, because the mean of its divisors is an integer number (337005259440).

Almost surely, 2^{5111000605511} is an apocalyptic number.

5111000605511 is a deficient number, since it is larger than the sum of its proper divisors (281083545529).

5111000605511 is a wasteful number, since it uses less digits than its factorization.

5111000605511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282086.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 5111000605511 its reverse (1155060001115), we get a palindrome (6266060606626).

The spelling of 5111000605511 in words is "five trillion, one hundred eleven billion, six hundred five thousand, five hundred eleven".