28056311519 has 2 divisors, whose sum is σ = 28056311520. Its totient is φ = 28056311518.

The previous prime is 28056311501. The next prime is 28056311531. The reversal of 28056311519 is 91511365082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28056311519 - 2³² = 23761344223 is a prime.

It is a super-2 number, since 2×28056311519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28056311119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028155759 + 14028155760.

It is an arithmetic number, because the mean of its divisors is an integer number (14028155760).

Almost surely, 2^28056311519 is an apocalyptic number.

28056311519 is a deficient number, since it is larger than the sum of its proper divisors (1).

28056311519 is an equidigital number, since it uses as much as digits as its factorization.

28056311519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 28056311519 in words is "twenty-eight billion, fifty-six million, three hundred eleven thousand, five hundred nineteen".