113535040021201 has 8 divisors (see below), whose sum is σ = 120908447927784. Its totient is φ = 106238840574720.

The previous prime is 113535040021187. The next prime is 113535040021213. The reversal of 113535040021201 is 102120040535311.

It can be written as a sum of positive squares in 4 ways, for example, as 22513136529601 + 91021903491600 = 4744801^2 + 9540540^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113535040021201 - 2¹⁹ = 113535039496913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113535040021201.

It is not an unprimeable number, because it can be changed into a prime (113535040021301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19302111990 + ... + 19302117871.

It is an arithmetic number, because the mean of its divisors is an integer number (15113555990973).

Almost surely, 2^{113535040021201} is an apocalyptic number.

It is an amenable number.

113535040021201 is a deficient number, since it is larger than the sum of its proper divisors (7373407906583).

113535040021201 is a wasteful number, since it uses less digits than its factorization.

113535040021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38604230051.

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

Adding to 113535040021201 its reverse (102120040535311), we get a palindrome (215655080556512).

The spelling of 113535040021201 in words is "one hundred thirteen trillion, five hundred thirty-five billion, forty million, twenty-one thousand, two hundred one".