125131111733 has 4 divisors (see below), whose sum is σ = 125139312480. Its totient is φ = 125122910988.

The previous prime is 125131111673. The next prime is 125131111747. The reversal of 125131111733 is 337111131521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125131111733 - 2¹⁶ = 125131046197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125131111696 and 125131111705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125131111033) 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, 4077443 + ... + 4108016.

It is an arithmetic number, because the mean of its divisors is an integer number (31284828120).

Almost surely, 2^125131111733 is an apocalyptic number.

It is an amenable number.

125131111733 is a deficient number, since it is larger than the sum of its proper divisors (8200747).

125131111733 is an equidigital number, since it uses as much as digits as its factorization.

125131111733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200746.

The product of its digits is 1890, while the sum is 29.

The spelling of 125131111733 in words is "one hundred twenty-five billion, one hundred thirty-one million, one hundred eleven thousand, seven hundred thirty-three".