172534545005511 has 8 divisors (see below), whose sum is σ = 247741910777200. Its totient is φ = 106175104618752.

The previous prime is 172534545005479. The next prime is 172534545005513. The reversal of 172534545005511 is 115500545435271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172534545005511 - 2⁵ = 172534545005479 is a prime.

It is a super-2 number, since 2×172534545005511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172534545005513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211981346186 + ... + 2211981346263.

It is an arithmetic number, because the mean of its divisors is an integer number (30967738847150).

Almost surely, 2^{172534545005511} is an apocalyptic number.

172534545005511 is a deficient number, since it is larger than the sum of its proper divisors (75207365771689).

172534545005511 is a wasteful number, since it uses less digits than its factorization.

172534545005511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423962692465.

The product of its (nonzero) digits is 2100000, while the sum is 48.

The spelling of 172534545005511 in words is "one hundred seventy-two trillion, five hundred thirty-four billion, five hundred forty-five million, five thousand, five hundred eleven".