113266217640 has 128 divisors (see below), whose sum is σ = 350235083520. Its totient is φ = 29290598400.

The previous prime is 113266217621. The next prime is 113266217677. The reversal of 113266217640 is 46712662311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410752 + ... + 628688.

It is an arithmetic number, because the mean of its divisors is an integer number (2736211590).

Almost surely, 2^113266217640 is an apocalyptic number.

113266217640 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 113266217640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175117541760).

113266217640 is an abundant number, since it is smaller than the sum of its proper divisors (236968865880).

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

113266217640 is a wasteful number, since it uses less digits than its factorization.

113266217640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218083 (or 218079 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

Adding to 113266217640 its reverse (46712662311), we get a palindrome (159978879951).

The spelling of 113266217640 in words is "one hundred thirteen billion, two hundred sixty-six million, two hundred seventeen thousand, six hundred forty".