125101010165 has 16 divisors (see below), whose sum is σ = 157182899328. Its totient is φ = 95402721216.

The previous prime is 125101010123. The next prime is 125101010179. The reversal of 125101010165 is 561010101521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125101010165 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125101010165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822679 + ... + 1890068.

It is an arithmetic number, because the mean of its divisors is an integer number (9823931208).

Almost surely, 2^125101010165 is an apocalyptic number.

It is an amenable number.

125101010165 is a deficient number, since it is larger than the sum of its proper divisors (32081889163).

125101010165 is a wasteful number, since it uses less digits than its factorization.

125101010165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713068.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 125101010165 its reverse (561010101521), we get a palindrome (686111111686).

The spelling of 125101010165 in words is "one hundred twenty-five billion, one hundred one million, ten thousand, one hundred sixty-five".