113551321423420 has 12 divisors (see below), whose sum is σ = 238457774989224. Its totient is φ = 45420528569360.

The previous prime is 113551321423417. The next prime is 113551321423427. The reversal of 113551321423420 is 24324123155311.

It is a self number, because there is not a number n which added to its sum of digits gives 113551321423420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113551321423427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838783035566 + ... + 2838783035605.

It is an arithmetic number, because the mean of its divisors is an integer number (19871481249102).

Almost surely, 2^{113551321423420} is an apocalyptic number.

113551321423420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113551321423420 is an abundant number, since it is smaller than the sum of its proper divisors (124906453565804).

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

113551321423420 is a wasteful number, since it uses less digits than its factorization.

113551321423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677566071180 (or 5677566071178 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 113551321423420 its reverse (24324123155311), we get a palindrome (137875444578731).

The spelling of 113551321423420 in words is "one hundred thirteen trillion, five hundred fifty-one billion, three hundred twenty-one million, four hundred twenty-three thousand, four hundred twenty".