5206265985541 has 4 divisors (see below), whose sum is σ = 5480279984800. Its totient is φ = 4932251986284.

The previous prime is 5206265985533. The next prime is 5206265985551. The reversal of 5206265985541 is 1455895626025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5206265985541 - 2³ = 5206265985533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206265985521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137006999601 + ... + 137006999638.

It is an arithmetic number, because the mean of its divisors is an integer number (1370069996200).

Almost surely, 2^{5206265985541} is an apocalyptic number.

It is an amenable number.

5206265985541 is a deficient number, since it is larger than the sum of its proper divisors (274013999259).

5206265985541 is a wasteful number, since it uses less digits than its factorization.

5206265985541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274013999258.

The product of its (nonzero) digits is 25920000, while the sum is 58.

The spelling of 5206265985541 in words is "five trillion, two hundred six billion, two hundred sixty-five million, nine hundred eighty-five thousand, five hundred forty-one".