5121431022205 has 16 divisors (see below), whose sum is σ = 6507423223920. Its totient is φ = 3856021798912.

The previous prime is 5121431022193. The next prime is 5121431022209. The reversal of 5121431022205 is 5022201341215.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 230137035076 + 4891293987129 = 479726^2 + 2211627^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121431022205 - 2³¹ = 5119283538557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121431022209) 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, 2041281 + ... + 3796009.

It is an arithmetic number, because the mean of its divisors is an integer number (406713951495).

Almost surely, 2^{5121431022205} is an apocalyptic number.

It is an amenable number.

5121431022205 is a deficient number, since it is larger than the sum of its proper divisors (1385992201715).

5121431022205 is a wasteful number, since it uses less digits than its factorization.

5121431022205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789088.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 5121431022205 in words is "five trillion, one hundred twenty-one billion, four hundred thirty-one million, twenty-two thousand, two hundred five".