125132532105 has 48 divisors (see below), whose sum is σ = 233140918464. Its totient is φ = 57144205440.

The previous prime is 125132532097. The next prime is 125132532163. The reversal of 125132532105 is 501235231521.

It is not a de Polignac number, because 125132532105 - 2³ = 125132532097 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 626019 + ... + 801351.

It is an arithmetic number, because the mean of its divisors is an integer number (4857102468).

Almost surely, 2^125132532105 is an apocalyptic number.

125132532105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125132532105 is a deficient number, since it is larger than the sum of its proper divisors (108008386359).

125132532105 is a wasteful number, since it uses less digits than its factorization.

125132532105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176326 (or 176319 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 125132532105 its reverse (501235231521), we get a palindrome (626367763626).

The spelling of 125132532105 in words is "one hundred twenty-five billion, one hundred thirty-two million, five hundred thirty-two thousand, one hundred five".