125415041111 has 2 divisors, whose sum is σ = 125415041112. Its totient is φ = 125415041110.

The previous prime is 125415041099. The next prime is 125415041149. The reversal of 125415041111 is 111140514521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125415041111 - 2⁶ = 125415041047 is a prime.

It is a super-2 number, since 2×125415041111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125415041161) 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 as a sum of consecutive naturals, namely, 62707520555 + 62707520556.

It is an arithmetic number, because the mean of its divisors is an integer number (62707520556).

Almost surely, 2^125415041111 is an apocalyptic number.

125415041111 is a deficient number, since it is larger than the sum of its proper divisors (1).

125415041111 is an equidigital number, since it uses as much as digits as its factorization.

125415041111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 26.

Adding to 125415041111 its reverse (111140514521), we get a palindrome (236555555632).

The spelling of 125415041111 in words is "one hundred twenty-five billion, four hundred fifteen million, forty-one thousand, one hundred eleven".