125252525311 has 4 divisors (see below), whose sum is σ = 125799479800. Its totient is φ = 124705570824.

The previous prime is 125252525297. The next prime is 125252525317. The reversal of 125252525311 is 113525252521.

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

It is a cyclic number.

It is not a de Polignac number, because 125252525311 - 2²⁵ = 125218970879 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 (125252525317) 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 3 ways as a sum of consecutive naturals, for example, 273476901 + ... + 273477358.

It is an arithmetic number, because the mean of its divisors is an integer number (31449869950).

Almost surely, 2^125252525311 is an apocalyptic number.

125252525311 is a deficient number, since it is larger than the sum of its proper divisors (546954489).

125252525311 is an equidigital number, since it uses as much as digits as its factorization.

125252525311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546954488.

The product of its digits is 30000, while the sum is 34.

Adding to 125252525311 its reverse (113525252521), we get a palindrome (238777777832).

The spelling of 125252525311 in words is "one hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, three hundred eleven".