113225215240 has 32 divisors (see below), whose sum is σ = 255111120000. Its totient is φ = 45227084224.

The previous prime is 113225215231. The next prime is 113225215309. The reversal of 113225215240 is 42512522311.

It is a happy number.

It is a super-2 number, since 2×113225215240² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113225215199 and 113225215208.

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, 1939690 + ... + 1997209.

It is an arithmetic number, because the mean of its divisors is an integer number (7972222500).

Almost surely, 2^113225215240 is an apocalyptic number.

113225215240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113225215240 is an abundant number, since it is smaller than the sum of its proper divisors (141885904760).

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

113225215240 is a wasteful number, since it uses less digits than its factorization.

113225215240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937629 (or 3937625 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 113225215240 its reverse (42512522311), we get a palindrome (155737737551).

The spelling of 113225215240 in words is "one hundred thirteen billion, two hundred twenty-five million, two hundred fifteen thousand, two hundred forty".