125013040311 has 4 divisors (see below), whose sum is σ = 166684053752. Its totient is φ = 83342026872.

The previous prime is 125013040309. The next prime is 125013040379. The reversal of 125013040311 is 113040310521.

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

It is not a de Polignac number, because 125013040311 - 2¹ = 125013040309 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 (125013048311) 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, 20835506716 + ... + 20835506721.

It is an arithmetic number, because the mean of its divisors is an integer number (41671013438).

Almost surely, 2^125013040311 is an apocalyptic number.

125013040311 is a deficient number, since it is larger than the sum of its proper divisors (41671013441).

125013040311 is an equidigital number, since it uses as much as digits as its factorization.

125013040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41671013440.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 125013040311 its reverse (113040310521), we get a palindrome (238053350832).

The spelling of 125013040311 in words is "one hundred twenty-five billion, thirteen million, forty thousand, three hundred eleven".