5111401222543 has 16 divisors (see below), whose sum is σ = 6372897371136. Its totient is φ = 3982759230240.

The previous prime is 5111401222537. The next prime is 5111401222561. The reversal of 5111401222543 is 3452221041115.

It is not a de Polignac number, because 5111401222543 - 2¹⁷ = 5111401091471 is a prime.

It is a super-2 number, since 2×5111401222543² (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 (5111401222583) 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, 811930 + ... + 3298792.

It is an arithmetic number, because the mean of its divisors is an integer number (398306085696).

Almost surely, 2^{5111401222543} is an apocalyptic number.

5111401222543 is a deficient number, since it is larger than the sum of its proper divisors (1261496148593).

5111401222543 is a wasteful number, since it uses less digits than its factorization.

5111401222543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513574.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 5111401222543 its reverse (3452221041115), we get a palindrome (8563622263658).

The spelling of 5111401222543 in words is "five trillion, one hundred eleven billion, four hundred one million, two hundred twenty-two thousand, five hundred forty-three".