5262642527861 has 4 divisors (see below), whose sum is σ = 5262995811372. Its totient is φ = 5262289244352.

The previous prime is 5262642527843. The next prime is 5262642527903. The reversal of 5262642527861 is 1687252462625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2594695969636 + 2667946558225 = 1610806^2 + 1633385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5262642527861 is a prime.

It is a super-2 number, since 2×5262642527861² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5262642527797 and 5262642527806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5262642527161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176619410 + ... + 176649203.

It is an arithmetic number, because the mean of its divisors is an integer number (1315748952843).

Almost surely, 2^{5262642527861} is an apocalyptic number.

It is an amenable number.

5262642527861 is a deficient number, since it is larger than the sum of its proper divisors (353283511).

5262642527861 is a wasteful number, since it uses less digits than its factorization.

5262642527861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353283510.

The product of its digits is 19353600, while the sum is 56.

The spelling of 5262642527861 in words is "five trillion, two hundred sixty-two billion, six hundred forty-two million, five hundred twenty-seven thousand, eight hundred sixty-one".