5121771145434 has 24 divisors (see below), whose sum is σ = 11117683166772. Its totient is φ = 1704101302080.

The previous prime is 5121771145433. The next prime is 5121771145493. The reversal of 5121771145434 is 4345411771215.

5121771145434 is a `hidden beast` number, since 5 + 1 + 2 + 1 + 7 + 71 + 145 + 434 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4888189355625 + 233581789809 = 2210925^2 + 483303^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5121771145434.

It is not an unprimeable number, because it can be changed into a prime (5121771145433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262968859 + ... + 262988334.

Almost surely, 2^{5121771145434} is an apocalyptic number.

5121771145434 is an abundant number, since it is smaller than the sum of its proper divisors (5995912021338).

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

5121771145434 is a wasteful number, since it uses less digits than its factorization.

5121771145434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525957742 (or 525957739 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The spelling of 5121771145434 in words is "five trillion, one hundred twenty-one billion, seven hundred seventy-one million, one hundred forty-five thousand, four hundred thirty-four".