172351710551353 has 4 divisors (see below), whose sum is σ = 172613245772880. Its totient is φ = 172090175329828.

The previous prime is 172351710551333. The next prime is 172351710551483. The reversal of 172351710551353 is 353155017153271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172351710551353 is a prime.

It is a super-2 number, since 2×172351710551353² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172351710551297 and 172351710551306.

It is not an unprimeable number, because it can be changed into a prime (172351710551323) 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, 130767609775 + ... + 130767611092.

It is an arithmetic number, because the mean of its divisors is an integer number (43153311443220).

Almost surely, 2^{172351710551353} is an apocalyptic number.

It is an amenable number.

172351710551353 is a deficient number, since it is larger than the sum of its proper divisors (261535221527).

172351710551353 is an equidigital number, since it uses as much as digits as its factorization.

172351710551353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261535221526.

The product of its (nonzero) digits is 1653750, while the sum is 49.

The spelling of 172351710551353 in words is "one hundred seventy-two trillion, three hundred fifty-one billion, seven hundred ten million, five hundred fifty-one thousand, three hundred fifty-three".