125345204443 has 2 divisors, whose sum is σ = 125345204444. Its totient is φ = 125345204442.

The previous prime is 125345204419. The next prime is 125345204459. The reversal of 125345204443 is 344402543521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125345204443 is a prime.

It is a super-2 number, since 2×125345204443² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125345214443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62672602221 + 62672602222.

It is an arithmetic number, because the mean of its divisors is an integer number (62672602222).

Almost surely, 2^125345204443 is an apocalyptic number.

125345204443 is a deficient number, since it is larger than the sum of its proper divisors (1).

125345204443 is an equidigital number, since it uses as much as digits as its factorization.

125345204443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 125345204443 its reverse (344402543521), we get a palindrome (469747747964).

The spelling of 125345204443 in words is "one hundred twenty-five billion, three hundred forty-five million, two hundred four thousand, four hundred forty-three".