113253430640 has 80 divisors (see below), whose sum is σ = 301958048448. Its totient is φ = 38697166848.

The previous prime is 113253430627. The next prime is 113253430691. The reversal of 113253430640 is 46034352311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 113253430597 and 113253430606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181037 + ... + 509196.

Almost surely, 2^113253430640 is an apocalyptic number.

113253430640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113253430640 is an abundant number, since it is smaller than the sum of its proper divisors (188704617808).

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

113253430640 is a wasteful number, since it uses less digits than its factorization.

113253430640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690546 (or 690540 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 113253430640 its reverse (46034352311), we get a palindrome (159287782951).

The spelling of 113253430640 in words is "one hundred thirteen billion, two hundred fifty-three million, four hundred thirty thousand, six hundred forty".