2156320534299 has 8 divisors (see below), whose sum is σ = 2875387132992. Its totient is φ = 1437400479240.

The previous prime is 2156320534253. The next prime is 2156320534309. The reversal of 2156320534299 is 9924350236512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2156320534299 - 2²⁸ = 2156052098843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2156320534229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36601569 + ... + 36660434.

It is an arithmetic number, because the mean of its divisors is an integer number (359423391624).

Almost surely, 2^{2156320534299} is an apocalyptic number.

2156320534299 is a deficient number, since it is larger than the sum of its proper divisors (719066598693).

2156320534299 is an equidigital number, since it uses as much as digits as its factorization.

2156320534299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73271817.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 2156320534299 in words is "two trillion, one hundred fifty-six billion, three hundred twenty million, five hundred thirty-four thousand, two hundred ninety-nine".