125150027529 has 4 divisors (see below), whose sum is σ = 166866703376. Its totient is φ = 83433351684.

The previous prime is 125150027503. The next prime is 125150027567. The reversal of 125150027529 is 925720051521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 925720051521 = 3 ⋅308573350507.

It is not a de Polignac number, because 125150027529 - 2¹² = 125150023433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125150023529) 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 in 3 ways as a sum of consecutive naturals, for example, 20858337919 + ... + 20858337924.

It is an arithmetic number, because the mean of its divisors is an integer number (41716675844).

Almost surely, 2^125150027529 is an apocalyptic number.

It is an amenable number.

125150027529 is a deficient number, since it is larger than the sum of its proper divisors (41716675847).

125150027529 is an equidigital number, since it uses as much as digits as its factorization.

125150027529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41716675846.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 125150027529 in words is "one hundred twenty-five billion, one hundred fifty million, twenty-seven thousand, five hundred twenty-nine".