125002650165 has 8 divisors (see below), whose sum is σ = 200004240288. Its totient is φ = 66668080080.

The previous prime is 125002650077. The next prime is 125002650181. The reversal of 125002650165 is 561056200521.

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

It is not a de Polignac number, because 125002650165 - 2¹⁹ = 125002125877 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4166754991 + ... + 4166755020.

It is an arithmetic number, because the mean of its divisors is an integer number (25000530036).

Almost surely, 2^125002650165 is an apocalyptic number.

125002650165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125002650165 is a deficient number, since it is larger than the sum of its proper divisors (75001590123).

125002650165 is an equidigital number, since it uses as much as digits as its factorization.

125002650165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333510019.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 125002650165 its reverse (561056200521), we get a palindrome (686058850686).

The spelling of 125002650165 in words is "one hundred twenty-five billion, two million, six hundred fifty thousand, one hundred sixty-five".