125014165066 has 16 divisors (see below), whose sum is σ = 220102160256. Its totient is φ = 52129458576.

The previous prime is 125014165007. The next prime is 125014165099. The reversal of 125014165066 is 660561410521.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 120669526 + ... + 120670561.

It is an arithmetic number, because the mean of its divisors is an integer number (13756385016).

Almost surely, 2^125014165066 is an apocalyptic number.

125014165066 is a deficient number, since it is larger than the sum of its proper divisors (95087995190).

125014165066 is a wasteful number, since it uses less digits than its factorization.

125014165066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241340133.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 125014165066 its reverse (660561410521), we get a palindrome (785575575587).

The spelling of 125014165066 in words is "one hundred twenty-five billion, fourteen million, one hundred sixty-five thousand, sixty-six".