5111030111441 has 4 divisors (see below), whose sum is σ = 5119313791332. Its totient is φ = 5102746431552.

The previous prime is 5111030111423. The next prime is 5111030111471. The reversal of 5111030111441 is 1441110301115.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1568202693841 + 3542827417600 = 1252279^2 + 1882240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5111030111441 is a prime.

It is a super-2 number, since 2×5111030111441² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111030111471) 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, 4141839020 + ... + 4141840253.

It is an arithmetic number, because the mean of its divisors is an integer number (1279828447833).

Almost surely, 2^{5111030111441} is an apocalyptic number.

It is an amenable number.

5111030111441 is a deficient number, since it is larger than the sum of its proper divisors (8283679891).

5111030111441 is an equidigital number, since it uses as much as digits as its factorization.

5111030111441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283679890.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 5111030111441 its reverse (1441110301115), we get a palindrome (6552140412556).

The spelling of 5111030111441 in words is "five trillion, one hundred eleven billion, thirty million, one hundred eleven thousand, four hundred forty-one".