125155541133 has 36 divisors (see below), whose sum is σ = 210326231388. Its totient is φ = 71506955520.

The previous prime is 125155541111. The next prime is 125155541149. The reversal of 125155541133 is 331145551521.

125155541133 is a `hidden beast` number, since 1 + 2 + 51 + 55 + 541 + 13 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17737445124 + 107418096009 = 133182^2 + 327747^2 .

It is not a de Polignac number, because 125155541133 - 2¹⁴ = 125155524749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125155541153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3767685 + ... + 3800757.

Almost surely, 2^125155541133 is an apocalyptic number.

It is an amenable number.

125155541133 is a deficient number, since it is larger than the sum of its proper divisors (85170690255).

125155541133 is a wasteful number, since it uses less digits than its factorization.

125155541133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41674 (or 41664 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The spelling of 125155541133 in words is "one hundred twenty-five billion, one hundred fifty-five million, five hundred forty-one thousand, one hundred thirty-three".