113776021427 has 2 divisors, whose sum is σ = 113776021428. Its totient is φ = 113776021426.

The previous prime is 113776021423. The next prime is 113776021451. The reversal of 113776021427 is 724120677311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113776021427 - 2² = 113776021423 is a prime.

It is not a weakly prime, because it can be changed into another prime (113776021423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56888010713 + 56888010714.

It is an arithmetic number, because the mean of its divisors is an integer number (56888010714).

Almost surely, 2^113776021427 is an apocalyptic number.

113776021427 is a deficient number, since it is larger than the sum of its proper divisors (1).

113776021427 is an equidigital number, since it uses as much as digits as its factorization.

113776021427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 41.

Adding to 113776021427 its reverse (724120677311), we get a palindrome (837896698738).

The spelling of 113776021427 in words is "one hundred thirteen billion, seven hundred seventy-six million, twenty-one thousand, four hundred twenty-seven".