113805420550 has 24 divisors (see below), whose sum is σ = 212521444632. Its totient is φ = 45340800000.

The previous prime is 113805420451. The next prime is 113805420571. The reversal of 113805420550 is 55024508311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4521531 + ... + 4546630.

It is an arithmetic number, because the mean of its divisors is an integer number (8855060193).

Almost surely, 2^113805420550 is an apocalyptic number.

113805420550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113805420550 is a deficient number, since it is larger than the sum of its proper divisors (98716024082).

113805420550 is a wasteful number, since it uses less digits than its factorization.

113805420550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068424 (or 9068419 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 113805420550 its reverse (55024508311), we get a palindrome (168829928861).

The spelling of 113805420550 in words is "one hundred thirteen billion, eight hundred five million, four hundred twenty thousand, five hundred fifty".