125525013443 has 2 divisors, whose sum is σ = 125525013444. Its totient is φ = 125525013442.

The previous prime is 125525013409. The next prime is 125525013479. The reversal of 125525013443 is 344310525521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125525013443 - 2¹² = 125525009347 is a prime.

It is not a weakly prime, because it can be changed into another prime (125525033443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62762506721 + 62762506722.

It is an arithmetic number, because the mean of its divisors is an integer number (62762506722).

Almost surely, 2^125525013443 is an apocalyptic number.

125525013443 is a deficient number, since it is larger than the sum of its proper divisors (1).

125525013443 is an equidigital number, since it uses as much as digits as its factorization.

125525013443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 125525013443 its reverse (344310525521), we get a palindrome (469835538964).

The spelling of 125525013443 in words is "one hundred twenty-five billion, five hundred twenty-five million, thirteen thousand, four hundred forty-three".