125522361253 has 8 divisors (see below), whose sum is σ = 133144650072. Its totient is φ = 117926585856.

The previous prime is 125522361233. The next prime is 125522361277. The reversal of 125522361253 is 352163225521.

It can be written as a sum of positive squares in 4 ways, for example, as 20469883329 + 105052477924 = 143073^2 + 324118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125522361253 - 2³³ = 116932426661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125522361233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6618600 + ... + 6637537.

It is an arithmetic number, because the mean of its divisors is an integer number (16643081259).

Almost surely, 2^125522361253 is an apocalyptic number.

It is an amenable number.

125522361253 is a deficient number, since it is larger than the sum of its proper divisors (7622288819).

125522361253 is a wasteful number, since it uses less digits than its factorization.

125522361253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256711.

The product of its digits is 108000, while the sum is 37.

Adding to 125522361253 its reverse (352163225521), we get a palindrome (477685586774).

The spelling of 125522361253 in words is "one hundred twenty-five billion, five hundred twenty-two million, three hundred sixty-one thousand, two hundred fifty-three".