172655001752113 has 4 divisors (see below), whose sum is σ = 172711852266100. Its totient is φ = 172598151238128.

The previous prime is 172655001752111. The next prime is 172655001752179. The reversal of 172655001752113 is 311257100556271.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92473937297569 + 80181064454544 = 9616337^2 + 8954388^2 .

It is a cyclic number.

It is not a de Polignac number, because 172655001752113 - 2¹ = 172655001752111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172655001752111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28425252438 + ... + 28425258511.

It is an arithmetic number, because the mean of its divisors is an integer number (43177963066525).

Almost surely, 2^{172655001752113} is an apocalyptic number.

It is an amenable number.

172655001752113 is a deficient number, since it is larger than the sum of its proper divisors (56850513987).

172655001752113 is an equidigital number, since it uses as much as digits as its factorization.

172655001752113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56850513986.

The product of its (nonzero) digits is 441000, while the sum is 46.

The spelling of 172655001752113 in words is "one hundred seventy-two trillion, six hundred fifty-five billion, one million, seven hundred fifty-two thousand, one hundred thirteen".