125235315203443 has 4 divisors (see below), whose sum is σ = 125256985968040. Its totient is φ = 125213644438848.

The previous prime is 125235315203429. The next prime is 125235315203501. The reversal of 125235315203443 is 344302513532521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125235315203443 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 125235315203443.

It is not an unprimeable number, because it can be changed into a prime (125235315293443) 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, 10835373630 + ... + 10835385187.

It is an arithmetic number, because the mean of its divisors is an integer number (31314246492010).

Almost surely, 2^{125235315203443} is an apocalyptic number.

125235315203443 is a deficient number, since it is larger than the sum of its proper divisors (21670764597).

125235315203443 is an equidigital number, since it uses as much as digits as its factorization.

125235315203443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21670764596.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 125235315203443 its reverse (344302513532521), we get a palindrome (469537828735964).

The spelling of 125235315203443 in words is "one hundred twenty-five trillion, two hundred thirty-five billion, three hundred fifteen million, two hundred three thousand, four hundred forty-three".