5243438615761 has 16 divisors (see below), whose sum is σ = 5603034729600. Its totient is φ = 4889530407168.

The previous prime is 5243438615729. The next prime is 5243438615783. The reversal of 5243438615761 is 1675168343425.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5243438615761 - 2⁵ = 5243438615729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243438315761) 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, 69225436 + ... + 69301138.

It is an arithmetic number, because the mean of its divisors is an integer number (350189670600).

Almost surely, 2^{5243438615761} is an apocalyptic number.

It is an amenable number.

5243438615761 is a deficient number, since it is larger than the sum of its proper divisors (359596113839).

5243438615761 is a wasteful number, since it uses less digits than its factorization.

5243438615761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113208.

The product of its digits is 14515200, while the sum is 55.

The spelling of 5243438615761 in words is "five trillion, two hundred forty-three billion, four hundred thirty-eight million, six hundred fifteen thousand, seven hundred sixty-one".