280503172130 has 16 divisors (see below), whose sum is σ = 509904778104. Its totient is φ = 111090364800.

The previous prime is 280503172123. The next prime is 280503172163. The reversal of 280503172130 is 31271305082.

It can be written as a sum of positive squares in 4 ways, for example, as 278006271169 + 2496900961 = 527263^2 + 49969^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 138861947 + ... + 138863966.

Almost surely, 2^280503172130 is an apocalyptic number.

280503172130 is a deficient number, since it is larger than the sum of its proper divisors (229401605974).

280503172130 is a wasteful number, since it uses less digits than its factorization.

280503172130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277726021.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 280503172130 in words is "two hundred eighty billion, five hundred three million, one hundred seventy-two thousand, one hundred thirty".