5111143111011 has 16 divisors (see below), whose sum is σ = 7898104447488. Its totient is φ = 2879517244800.

The previous prime is 5111143110979. The next prime is 5111143111027. The reversal of 5111143111011 is 1101113411115.

It is not a de Polignac number, because 5111143111011 - 2⁵ = 5111143110979 is a prime.

It is a super-2 number, since 2×5111143111011² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (5111143111031) 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, 1713996870 + ... + 1713999851.

It is an arithmetic number, because the mean of its divisors is an integer number (493631527968).

Almost surely, 2^{5111143111011} is an apocalyptic number.

5111143111011 is a deficient number, since it is larger than the sum of its proper divisors (2786961336477).

5111143111011 is a wasteful number, since it uses less digits than its factorization.

5111143111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427996802.

The product of its (nonzero) digits is 60, while the sum is 21.

Adding to 5111143111011 its reverse (1101113411115), we get a palindrome (6212256522126).

The spelling of 5111143111011 in words is "five trillion, one hundred eleven billion, one hundred forty-three million, one hundred eleven thousand, eleven".