5229971127891 has 24 divisors (see below), whose sum is σ = 7799286969344. Its totient is φ = 3373658365680.

The previous prime is 5229971127889. The next prime is 5229971127907. The reversal of 5229971127891 is 1987211799225.

5229971127891 is a `hidden beast` number, since 5 + 2 + 299 + 71 + 1 + 278 + 9 + 1 = 666.

It is not a de Polignac number, because 5229971127891 - 2¹ = 5229971127889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5229971127791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395010 + ... + 3258216.

Almost surely, 2^{5229971127891} is an apocalyptic number.

5229971127891 is a deficient number, since it is larger than the sum of its proper divisors (2569315841453).

5229971127891 is a wasteful number, since it uses less digits than its factorization.

5229971127891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869791 (or 2869788 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 63.

The spelling of 5229971127891 in words is "five trillion, two hundred twenty-nine billion, nine hundred seventy-one million, one hundred twenty-seven thousand, eight hundred ninety-one".