125235030311 has 4 divisors (see below), whose sum is σ = 127899605472. Its totient is φ = 122570455152.

The previous prime is 125235030307. The next prime is 125235030329. The reversal of 125235030311 is 113030532521.

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 125235030311 - 2² = 125235030307 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 (125235030301) 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 3 ways as a sum of consecutive naturals, for example, 1332287510 + ... + 1332287603.

It is an arithmetic number, because the mean of its divisors is an integer number (31974901368).

Almost surely, 2^125235030311 is an apocalyptic number.

125235030311 is a deficient number, since it is larger than the sum of its proper divisors (2664575161).

125235030311 is an equidigital number, since it uses as much as digits as its factorization.

125235030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664575160.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 125235030311 its reverse (113030532521), we get a palindrome (238265562832).

The spelling of 125235030311 in words is "one hundred twenty-five billion, two hundred thirty-five million, thirty thousand, three hundred eleven".