5215243243091 has 4 divisors (see below), whose sum is σ = 5960277992112. Its totient is φ = 4470208494072.

The previous prime is 5215243243019. The next prime is 5215243243097. The reversal of 5215243243091 is 1903423425125.

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

It is a cyclic number.

It is not a de Polignac number, because 5215243243091 - 2¹⁰ = 5215243242067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215243243097) 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, 372517374500 + ... + 372517374513.

It is an arithmetic number, because the mean of its divisors is an integer number (1490069498028).

Almost surely, 2^{5215243243091} is an apocalyptic number.

5215243243091 is a deficient number, since it is larger than the sum of its proper divisors (745034749021).

5215243243091 is an equidigital number, since it uses as much as digits as its factorization.

5215243243091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745034749020.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 5215243243091 in words is "five trillion, two hundred fifteen billion, two hundred forty-three million, two hundred forty-three thousand, ninety-one".