113505042601 has 2 divisors, whose sum is σ = 113505042602. Its totient is φ = 113505042600.

The previous prime is 113505042559. The next prime is 113505042641. The reversal of 113505042601 is 106240505311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75596952601 + 37908090000 = 274949^2 + 194700^2 .

It is a cyclic number.

It is not a de Polignac number, because 113505042601 - 2¹⁵ = 113505009833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113505042601.

It is not a weakly prime, because it can be changed into another prime (113505042641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56752521300 + 56752521301.

It is an arithmetic number, because the mean of its divisors is an integer number (56752521301).

Almost surely, 2^113505042601 is an apocalyptic number.

It is an amenable number.

113505042601 is a deficient number, since it is larger than the sum of its proper divisors (1).

113505042601 is an equidigital number, since it uses as much as digits as its factorization.

113505042601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 113505042601 its reverse (106240505311), we get a palindrome (219745547912).

The spelling of 113505042601 in words is "one hundred thirteen billion, five hundred five million, forty-two thousand, six hundred one".