125001250015 has 16 divisors (see below), whose sum is σ = 151034587200. Its totient is φ = 99314138880.

The previous prime is 125001250013. The next prime is 125001250063. The reversal of 125001250015 is 510052100521.

It is a happy number.

It is not a de Polignac number, because 125001250015 - 2¹ = 125001250013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125001250013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422187 + ... + 654403.

It is an arithmetic number, because the mean of its divisors is an integer number (9439661700).

Almost surely, 2^125001250015 is an apocalyptic number.

125001250015 is a deficient number, since it is larger than the sum of its proper divisors (26033337185).

125001250015 is a wasteful number, since it uses less digits than its factorization.

125001250015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232962.

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 125001250015 its reverse (510052100521), we get a palindrome (635053350536).

The spelling of 125001250015 in words is "one hundred twenty-five billion, one million, two hundred fifty thousand, fifteen".