28025150864255 has 16 divisors (see below), whose sum is σ = 35307653414400. Its totient is φ = 21313766361888.

The previous prime is 28025150864213. The next prime is 28025150864297. The reversal of 28025150864255 is 55246805152082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28025150864213) and next prime (28025150864297).

It is a cyclic number.

It is not a de Polignac number, because 28025150864255 - 2¹⁴ = 28025150847871 is a prime.

It is a super-4 number, since 4×28025150864255⁴ (a number of 55 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28025150864197 and 28025150864206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747517955 + ... + 747555444.

It is an arithmetic number, because the mean of its divisors is an integer number (2206728338400).

Almost surely, 2^{28025150864255} is an apocalyptic number.

28025150864255 is a deficient number, since it is larger than the sum of its proper divisors (7282502550145).

28025150864255 is a wasteful number, since it uses less digits than its factorization.

28025150864255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495073590.

The product of its (nonzero) digits is 7680000, while the sum is 53.

The spelling of 28025150864255 in words is "twenty-eight trillion, twenty-five billion, one hundred fifty million, eight hundred sixty-four thousand, two hundred fifty-five".