125033556101 has 24 divisors (see below), whose sum is σ = 134644860504. Its totient is φ = 116067686400.

The previous prime is 125033556091. The next prime is 125033556103. The reversal of 125033556101 is 101655330521.

It can be written as a sum of positive squares in 4 ways, for example, as 92658751201 + 32374804900 = 304399^2 + 179930^2 .

It is not a de Polignac number, because 125033556101 - 2³⁴ = 107853686917 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 (125033556103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3519041 + ... + 3554393.

It is an arithmetic number, because the mean of its divisors is an integer number (5610202521).

Almost surely, 2^125033556101 is an apocalyptic number.

It is an amenable number.

125033556101 is a deficient number, since it is larger than the sum of its proper divisors (9611304403).

125033556101 is a wasteful number, since it uses less digits than its factorization.

125033556101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35589 (or 35570 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 125033556101 its reverse (101655330521), we get a palindrome (226688886622).

The spelling of 125033556101 in words is "one hundred twenty-five billion, thirty-three million, five hundred fifty-six thousand, one hundred one".