16280813275 has 12 divisors (see below), whose sum is σ = 20839441984. Its totient is φ = 12604500000.

The previous prime is 16280813273. The next prime is 16280813293. The reversal of 16280813275 is 57231808261.

It is not a de Polignac number, because 16280813275 - 2¹ = 16280813273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16280813273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10502976 + ... + 10504525.

Almost surely, 2^16280813275 is an apocalyptic number.

16280813275 is a deficient number, since it is larger than the sum of its proper divisors (4558628709).

16280813275 is a wasteful number, since it uses less digits than its factorization.

16280813275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21007542 (or 21007537 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 16280813275 in words is "sixteen billion, two hundred eighty million, eight hundred thirteen thousand, two hundred seventy-five".