5515630279 has 2 divisors, whose sum is σ = 5515630280. Its totient is φ = 5515630278.

The previous prime is 5515630277. The next prime is 5515630343. The reversal of 5515630279 is 9720365155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5515630279 - 2¹ = 5515630277 is a prime.

Together with 5515630277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5515630273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757815139 + 2757815140.

It is an arithmetic number, because the mean of its divisors is an integer number (2757815140).

Almost surely, 2^5515630279 is an apocalyptic number.

5515630279 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515630279 is an equidigital number, since it uses as much as digits as its factorization.

5515630279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 5515630279 is about 74267.2894281190. The cubic root of 5515630279 is about 1766.8447173620.

The spelling of 5515630279 in words is "five billion, five hundred fifteen million, six hundred thirty thousand, two hundred seventy-nine".