113143232502001 has 4 divisors (see below), whose sum is σ = 121846558079092. Its totient is φ = 104439906924912.

The previous prime is 113143232501993. The next prime is 113143232502007. The reversal of 113143232502001 is 100205232341311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19989849942001 + 93153382560000 = 4471001^2 + 9651600^2 .

It is not a de Polignac number, because 113143232502001 - 2³ = 113143232501993 is a prime.

It is a super-2 number, since 2×113143232502001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113143232502007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4351662788526 + ... + 4351662788551.

It is an arithmetic number, because the mean of its divisors is an integer number (30461639519773).

Almost surely, 2^{113143232502001} is an apocalyptic number.

It is an amenable number.

113143232502001 is a deficient number, since it is larger than the sum of its proper divisors (8703325577091).

113143232502001 is an equidigital number, since it uses as much as digits as its factorization.

113143232502001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703325577090.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 113143232502001 its reverse (100205232341311), we get a palindrome (213348464843312).

The spelling of 113143232502001 in words is "one hundred thirteen trillion, one hundred forty-three billion, two hundred thirty-two million, five hundred two thousand, one".