172351710551355 has 16 divisors (see below), whose sum is σ = 279646719093504. Its totient is φ = 90626251556960.

The previous prime is 172351710551333. The next prime is 172351710551483. The reversal of 172351710551355 is 553155017153271.

It is not a de Polignac number, because 172351710551355 - 2⁵ = 172351710551323 is a prime.

It is a super-2 number, since 2×172351710551355² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172351710551298 and 172351710551307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80916294969 + ... + 80916297098.

It is an arithmetic number, because the mean of its divisors is an integer number (17477919943344).

Almost surely, 2^{172351710551355} is an apocalyptic number.

172351710551355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172351710551355 is a deficient number, since it is larger than the sum of its proper divisors (107295008542149).

172351710551355 is a wasteful number, since it uses less digits than its factorization.

172351710551355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161832592146.

The product of its (nonzero) digits is 2756250, while the sum is 51.

The spelling of 172351710551355 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-five".