5111311124444 has 12 divisors (see below), whose sum is σ = 10222622248944. Its totient is φ = 2190561910464.

The previous prime is 5111311124389. The next prime is 5111311124453. The reversal of 5111311124444 is 4444211131115.

5111311124444 is an admirable number.

It is a super-2 number, since 2×5111311124444² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5111311124444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91273412909 + ... + 91273412964.

It is an arithmetic number, because the mean of its divisors is an integer number (851885187412).

Almost surely, 2^{5111311124444} is an apocalyptic number.

It is an amenable number.

5111311124444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5111311124444 is a wasteful number, since it uses less digits than its factorization.

5111311124444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182546825884 (or 182546825882 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

Adding to 5111311124444 its reverse (4444211131115), we get a palindrome (9555522255559).

The spelling of 5111311124444 in words is "five trillion, one hundred eleven billion, three hundred eleven million, one hundred twenty-four thousand, four hundred forty-four".