113506220540 has 24 divisors (see below), whose sum is σ = 238425089280. Its totient is φ = 45390673728.

The previous prime is 113506220539. The next prime is 113506220549. The reversal of 113506220540 is 45022605311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113506220549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659420 + ... + 813539.

It is an arithmetic number, because the mean of its divisors is an integer number (9934378720).

Almost surely, 2^113506220540 is an apocalyptic number.

113506220540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113506220540 is an abundant number, since it is smaller than the sum of its proper divisors (124918868740).

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

113506220540 is a wasteful number, since it uses less digits than its factorization.

113506220540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476821 (or 1476819 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 113506220540 its reverse (45022605311), we get a palindrome (158528825851).

The spelling of 113506220540 in words is "one hundred thirteen billion, five hundred six million, two hundred twenty thousand, five hundred forty".