113421533144 has 32 divisors (see below), whose sum is σ = 223933248000. Its totient is φ = 53707999392.

The previous prime is 113421533089. The next prime is 113421533171. The reversal of 113421533144 is 441335124311.

It is a self number, because there is not a number n which added to its sum of digits gives 113421533144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336077 + ... + 582915.

It is an arithmetic number, because the mean of its divisors is an integer number (6997914000).

Almost surely, 2^113421533144 is an apocalyptic number.

It is an amenable number.

113421533144 is a deficient number, since it is larger than the sum of its proper divisors (110511714856).

113421533144 is a wasteful number, since it uses less digits than its factorization.

113421533144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249887 (or 249883 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 113421533144 its reverse (441335124311), we get a palindrome (554756657455).

The spelling of 113421533144 in words is "one hundred thirteen billion, four hundred twenty-one million, five hundred thirty-three thousand, one hundred forty-four".