113212503780 has 48 divisors (see below), whose sum is σ = 324726603264. Its totient is φ = 29453658880.

The previous prime is 113212503617. The next prime is 113212503787. The reversal of 113212503780 is 87305212311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (113212503787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23008212 + ... + 23013131.

It is an arithmetic number, because the mean of its divisors is an integer number (6765137568).

Almost surely, 2^113212503780 is an apocalyptic number.

113212503780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113212503780 is an abundant number, since it is smaller than the sum of its proper divisors (211514099484).

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

113212503780 is a wasteful number, since it uses less digits than its factorization.

113212503780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46021396 (or 46021394 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 113212503780 in words is "one hundred thirteen billion, two hundred twelve million, five hundred three thousand, seven hundred eighty".