113220530025478 has 4 divisors (see below), whose sum is σ = 169830795038220. Its totient is φ = 56610265012738.

The previous prime is 113220530025433. The next prime is 113220530025479. The reversal of 113220530025478 is 874520035022311.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220530025479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28305132506368 + ... + 28305132506371.

It is an arithmetic number, because the mean of its divisors is an integer number (42457698759555).

Almost surely, 2^{113220530025478} is an apocalyptic number.

113220530025478 is a deficient number, since it is larger than the sum of its proper divisors (56610265012742).

113220530025478 is an equidigital number, since it uses as much as digits as its factorization.

113220530025478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56610265012741.

The product of its (nonzero) digits is 403200, while the sum is 43.

Adding to 113220530025478 its reverse (874520035022311), we get a palindrome (987740565047789).

The spelling of 113220530025478 in words is "one hundred thirteen trillion, two hundred twenty billion, five hundred thirty million, twenty-five thousand, four hundred seventy-eight".