75000000015 has 12 divisors (see below), whose sum is σ = 130000000104. Its totient is φ = 39999999984.

The previous prime is 75000000011. The next prime is 75000000043. The reversal of 75000000015 is 51000000057.

It is a happy number.

It is not a de Polignac number, because 75000000015 - 2² = 75000000011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75000000011) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 833333289 + ... + 833333378.

It is an arithmetic number, because the mean of its divisors is an integer number (10833333342).

Almost surely, 2^75000000015 is an apocalyptic number.

75000000015 is a deficient number, since it is larger than the sum of its proper divisors (55000000089).

75000000015 is a wasteful number, since it uses less digits than its factorization.

75000000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666666678 (or 1666666675 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The spelling of 75000000015 in words is "seventy-five billion, fifteen", and thus it is an aban number and an uban number.