5215116499 has 4 divisors (see below), whose sum is σ = 5218053064. Its totient is φ = 5212179936.

The previous prime is 5215116461. The next prime is 5215116539. The reversal of 5215116499 is 9946115125.

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 5215116499 - 2¹⁹ = 5214592211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215116199) 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, 1465617 + ... + 1469170.

It is an arithmetic number, because the mean of its divisors is an integer number (1304513266).

Almost surely, 2^5215116499 is an apocalyptic number.

5215116499 is a deficient number, since it is larger than the sum of its proper divisors (2936565).

5215116499 is a wasteful number, since it uses less digits than its factorization.

5215116499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936564.

The product of its digits is 97200, while the sum is 43.

The square root of 5215116499 is about 72215.7635076996. The cubic root of 5215116499 is about 1734.1553689339.

The spelling of 5215116499 in words is "five billion, two hundred fifteen million, one hundred sixteen thousand, four hundred ninety-nine".