280151481281 has 16 divisors (see below), whose sum is σ = 331308806400. Its totient is φ = 236747710080.

The previous prime is 280151481277. The next prime is 280151481289. The reversal of 280151481281 is 182184151082.

It is not a de Polignac number, because 280151481281 - 2² = 280151481277 is a prime.

It is a super-2 number, since 2×280151481281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280151481289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5727536 + ... + 5776241.

It is an arithmetic number, because the mean of its divisors is an integer number (20706800400).

Almost surely, 2^280151481281 is an apocalyptic number.

It is an amenable number.

280151481281 is a deficient number, since it is larger than the sum of its proper divisors (51157325119).

280151481281 is an equidigital number, since it uses as much as digits as its factorization.

280151481281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503869 (or 11503855 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 41.

The spelling of 280151481281 in words is "two hundred eighty billion, one hundred fifty-one million, four hundred eighty-one thousand, two hundred eighty-one".