125020441111 has 12 divisors (see below), whose sum is σ = 127383826080. Its totient is φ = 122698825920.

The previous prime is 125020441109. The next prime is 125020441141. The reversal of 125020441111 is 111144020521.

It is a happy number.

It is not a de Polignac number, because 125020441111 - 2¹ = 125020441109 is a prime.

It is a super-2 number, since 2×125020441111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125020441141) 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 11 ways as a sum of consecutive naturals, for example, 1165135 + ... + 1267903.

It is an arithmetic number, because the mean of its divisors is an integer number (10615318840).

Almost surely, 2^125020441111 is an apocalyptic number.

125020441111 is a deficient number, since it is larger than the sum of its proper divisors (2363384969).

125020441111 is an equidigital number, since it uses as much as digits as its factorization.

125020441111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103174 (or 103107 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 125020441111 its reverse (111144020521), we get a palindrome (236164461632).

The spelling of 125020441111 in words is "one hundred twenty-five billion, twenty million, four hundred forty-one thousand, one hundred eleven".