280411121112 has 32 divisors (see below), whose sum is σ = 701062526400. Its totient is φ = 93465743904.

The previous prime is 280411121101. The next prime is 280411121129. The reversal of 280411121112 is 211121114082.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 223839 + ... + 781617.

It is an arithmetic number, because the mean of its divisors is an integer number (21908203950).

Almost surely, 2^280411121112 is an apocalyptic number.

It is an amenable number.

280411121112 is an abundant number, since it is smaller than the sum of its proper divisors (420651405288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

280411121112 is a wasteful number, since it uses less digits than its factorization.

280411121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578735 (or 578731 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 24.

Adding to 280411121112 its reverse (211121114082), we get a palindrome (491532235194).

The spelling of 280411121112 in words is "two hundred eighty billion, four hundred eleven million, one hundred twenty-one thousand, one hundred twelve".