113453520040 has 256 divisors, whose sum is σ = 305980416000. Its totient is φ = 37830659328.

The previous prime is 113453520013. The next prime is 113453520067. The reversal of 113453520040 is 40025354311.

It is an interprime number because it is at equal distance from previous prime (113453520013) and next prime (113453520067).

It is a super-3 number, since 3×113453520040³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 113453519990 and 113453520008.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76296177 + ... + 76297663.

It is an arithmetic number, because the mean of its divisors is an integer number (1195236000).

Almost surely, 2^113453520040 is an apocalyptic number.

113453520040 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 113453520040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152990208000).

113453520040 is an abundant number, since it is smaller than the sum of its proper divisors (192526895960).

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

113453520040 is a wasteful number, since it uses less digits than its factorization.

113453520040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 113453520040 its reverse (40025354311), we get a palindrome (153478874351).

The spelling of 113453520040 in words is "one hundred thirteen billion, four hundred fifty-three million, five hundred twenty thousand, forty".