2151323455279 has 2 divisors, whose sum is σ = 2151323455280. Its totient is φ = 2151323455278.

The previous prime is 2151323455277. The next prime is 2151323455357. The reversal of 2151323455279 is 9725543231512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151323455279 - 2¹ = 2151323455277 is a prime.

Together with 2151323455277, 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 (2151323455271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075661727639 + 1075661727640.

It is an arithmetic number, because the mean of its divisors is an integer number (1075661727640).

Almost surely, 2^{2151323455279} is an apocalyptic number.

2151323455279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151323455279 is an equidigital number, since it uses as much as digits as its factorization.

2151323455279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268000, while the sum is 49.

The spelling of 2151323455279 in words is "two trillion, one hundred fifty-one billion, three hundred twenty-three million, four hundred fifty-five thousand, two hundred seventy-nine".