125426131011 has 6 divisors (see below), whose sum is σ = 181171078140. Its totient is φ = 83617420668.

The previous prime is 125426131003. The next prime is 125426131043. The reversal of 125426131011 is 110131624521.

125426131011 is a `hidden beast` number, since 1 + 2 + 5 + 42 + 613 + 1 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 125426131011 - 2³ = 125426131003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125426131211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6968118381 + ... + 6968118398.

It is an arithmetic number, because the mean of its divisors is an integer number (30195179690).

Almost surely, 2^125426131011 is an apocalyptic number.

125426131011 is a deficient number, since it is larger than the sum of its proper divisors (55744947129).

125426131011 is a wasteful number, since it uses less digits than its factorization.

125426131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936236785 (or 13936236782 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 125426131011 its reverse (110131624521), we get a palindrome (235557755532).

The spelling of 125426131011 in words is "one hundred twenty-five billion, four hundred twenty-six million, one hundred thirty-one thousand, eleven".