561264482351100 has 72 divisors (see below), whose sum is σ = 1771554802485888. Its totient is φ = 136064116932800.

The previous prime is 561264482351099. The next prime is 561264482351119. The reversal of 561264482351100 is 1153284462165.

It is a self number, because there is not a number n which added to its sum of digits gives 561264482351100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85040069784 + ... + 85040076383.

It is an arithmetic number, because the mean of its divisors is an integer number (24604927812304).

Almost surely, 2^{561264482351100} is an apocalyptic number.

561264482351100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561264482351100 is an abundant number, since it is smaller than the sum of its proper divisors (1210290320134788).

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

561264482351100 is a wasteful number, since it uses less digits than its factorization.

561264482351100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170080146195 (or 170080146188 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 561264482351100 in words is "five hundred sixty-one trillion, two hundred sixty-four billion, four hundred eighty-two million, three hundred fifty-one thousand, one hundred".