125410635165 has 16 divisors (see below), whose sum is σ = 200661668928. Its totient is φ = 66884121216.

The previous prime is 125410635143. The next prime is 125410635167. The reversal of 125410635165 is 561536014521.

It is not a de Polignac number, because 125410635165 - 2¹⁸ = 125410373021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125410635167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906897 + ... + 1035993.

It is an arithmetic number, because the mean of its divisors is an integer number (12541354308).

Almost surely, 2^125410635165 is an apocalyptic number.

125410635165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125410635165 is a deficient number, since it is larger than the sum of its proper divisors (75251033763).

125410635165 is a wasteful number, since it uses less digits than its factorization.

125410635165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193868.

The product of its (nonzero) digits is 108000, while the sum is 39.

Adding to 125410635165 its reverse (561536014521), we get a palindrome (686946649686).

The spelling of 125410635165 in words is "one hundred twenty-five billion, four hundred ten million, six hundred thirty-five thousand, one hundred sixty-five".