125211132163 has 8 divisors (see below), whose sum is σ = 139492508400. Its totient is φ = 111594006048.

The previous prime is 125211132143. The next prime is 125211132203. The reversal of 125211132163 is 361231112521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125211132163 - 2⁹ = 125211131651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125211132143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166062133 + ... + 166062886.

It is an arithmetic number, because the mean of its divisors is an integer number (17436563550).

Almost surely, 2^125211132163 is an apocalyptic number.

125211132163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125211132163 is a deficient number, since it is larger than the sum of its proper divisors (14281376237).

125211132163 is a wasteful number, since it uses less digits than its factorization.

125211132163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332125061.

The product of its digits is 2160, while the sum is 28.

Adding to 125211132163 its reverse (361231112521), we get a palindrome (486442244684).

The spelling of 125211132163 in words is "one hundred twenty-five billion, two hundred eleven million, one hundred thirty-two thousand, one hundred sixty-three".