113510321240 has 128 divisors (see below), whose sum is σ = 278174865600. Its totient is φ = 41511813120.

The previous prime is 113510321237. The next prime is 113510321251. The reversal of 113510321240 is 42123015311.

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 31 ways as a sum of consecutive naturals, for example, 17382296 + ... + 17388824.

Almost surely, 2^113510321240 is an apocalyptic number.

113510321240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113510321240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139087432800).

113510321240 is an abundant number, since it is smaller than the sum of its proper divisors (164664544360).

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

113510321240 is a wasteful number, since it uses less digits than its factorization.

113510321240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285 (or 7281 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 113510321240 its reverse (42123015311), we get a palindrome (155633336551).

The spelling of 113510321240 in words is "one hundred thirteen billion, five hundred ten million, three hundred twenty-one thousand, two hundred forty".