125435534522 has 16 divisors (see below), whose sum is σ = 202662065760. Its totient is φ = 58035044592.

The previous prime is 125435534513. The next prime is 125435534527. The reversal of 125435534522 is 225435534521.

It is a self number, because there is not a number n which added to its sum of digits gives 125435534522.

It is not an unprimeable number, because it can be changed into a prime (125435534527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38381333 + ... + 38384600.

It is an arithmetic number, because the mean of its divisors is an integer number (12666379110).

Almost surely, 2^125435534522 is an apocalyptic number.

125435534522 is a deficient number, since it is larger than the sum of its proper divisors (77226531238).

125435534522 is a wasteful number, since it uses less digits than its factorization.

125435534522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76765997.

The product of its digits is 720000, while the sum is 41.

Subtracting 125435534522 from its reverse (225435534521), we obtain a palindrome (99999999999).

The spelling of 125435534522 in words is "one hundred twenty-five billion, four hundred thirty-five million, five hundred thirty-four thousand, five hundred twenty-two".