172148647115 has 16 divisors (see below), whose sum is σ = 215129316096. Its totient is φ = 132096921600.

The previous prime is 172148647091. The next prime is 172148647117. The reversal of 172148647115 is 511746841271.

It is a happy number.

172148647115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172148647115 - 2¹² = 172148643019 is a prime.

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 172148647115.

It is not an unprimeable number, because it can be changed into a prime (172148647117) 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 15 ways as a sum of consecutive naturals, for example, 4896806 + ... + 4931835.

It is an arithmetic number, because the mean of its divisors is an integer number (13445582256).

Almost surely, 2^172148647115 is an apocalyptic number.

172148647115 is a deficient number, since it is larger than the sum of its proper divisors (42980668981).

172148647115 is a wasteful number, since it uses less digits than its factorization.

172148647115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9828790.

The product of its digits is 376320, while the sum is 47.

The spelling of 172148647115 in words is "one hundred seventy-two billion, one hundred forty-eight million, six hundred forty-seven thousand, one hundred fifteen".