5512721899 has 4 divisors (see below), whose sum is σ = 5513411664. Its totient is φ = 5512032136.

The previous prime is 5512721897. The next prime is 5512721923. The reversal of 5512721899 is 9981272155.

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 5512721899 - 2¹ = 5512721897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5512721897) 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, 332752 + ... + 348925.

It is an arithmetic number, because the mean of its divisors is an integer number (1378352916).

Almost surely, 2^5512721899 is an apocalyptic number.

5512721899 is a deficient number, since it is larger than the sum of its proper divisors (689765).

5512721899 is an equidigital number, since it uses as much as digits as its factorization.

5512721899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689764.

The product of its digits is 453600, while the sum is 49.

The square root of 5512721899 is about 74247.7063551461. The cubic root of 5512721899 is about 1766.5341116201.

The spelling of 5512721899 in words is "five billion, five hundred twelve million, seven hundred twenty-one thousand, eight hundred ninety-nine".