28011600317265 has 16 divisors (see below), whose sum is σ = 46029872954688. Its totient is φ = 14535749353536.

The previous prime is 28011600317257. The next prime is 28011600317291. The reversal of 28011600317265 is 56271300611082.

It is a happy number.

It is not a de Polignac number, because 28011600317265 - 2³ = 28011600317257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25235675407 + ... + 25235676516.

It is an arithmetic number, because the mean of its divisors is an integer number (2876867059668).

Almost surely, 2^{28011600317265} is an apocalyptic number.

It is an amenable number.

28011600317265 is a deficient number, since it is larger than the sum of its proper divisors (18018272637423).

28011600317265 is a wasteful number, since it uses less digits than its factorization.

28011600317265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50471351968.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 28011600317265 in words is "twenty-eight trillion, eleven billion, six hundred million, three hundred seventeen thousand, two hundred sixty-five".