125143005335201 has 4 divisors (see below), whose sum is σ = 143020577525952. Its totient is φ = 107265433144452.

The previous prime is 125143005335143. The next prime is 125143005335213. The reversal of 125143005335201 is 102533500341521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125143005335201 is a prime.

It is a super-2 number, since 2×125143005335201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125143005338201) 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, 8938786095365 + ... + 8938786095378.

It is an arithmetic number, because the mean of its divisors is an integer number (35755144381488).

Almost surely, 2^{125143005335201} is an apocalyptic number.

It is an amenable number.

125143005335201 is a deficient number, since it is larger than the sum of its proper divisors (17877572190751).

125143005335201 is an equidigital number, since it uses as much as digits as its factorization.

125143005335201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17877572190750.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 125143005335201 its reverse (102533500341521), we get a palindrome (227676505676722).

The spelling of 125143005335201 in words is "one hundred twenty-five trillion, one hundred forty-three billion, five million, three hundred thirty-five thousand, two hundred one".