125067133645 has 4 divisors (see below), whose sum is σ = 150080560380. Its totient is φ = 100053706912.

The previous prime is 125067133643. The next prime is 125067133657. The reversal of 125067133645 is 546331760521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546331760521 = 111323 ⋅4907627.

It can be written as a sum of positive squares in 2 ways, for example, as 20472458724 + 104594674921 = 143082^2 + 323411^2 .

It is a cyclic number.

It is not a de Polignac number, because 125067133645 - 2¹ = 125067133643 is a prime.

It is a super-3 number, since 3×125067133645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125067133643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12506713360 + ... + 12506713369.

It is an arithmetic number, because the mean of its divisors is an integer number (37520140095).

Almost surely, 2^125067133645 is an apocalyptic number.

It is an amenable number.

125067133645 is a deficient number, since it is larger than the sum of its proper divisors (25013426735).

125067133645 is an equidigital number, since it uses as much as digits as its factorization.

125067133645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25013426734.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 125067133645 in words is "one hundred twenty-five billion, sixty-seven million, one hundred thirty-three thousand, six hundred forty-five".