172100263111 has 16 divisors (see below), whose sum is σ = 197205799168. Its totient is φ = 147125160000.

The previous prime is 172100263103. The next prime is 172100263141. The reversal of 172100263111 is 111362001271.

172100263111 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 172100263111 - 2³ = 172100263103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172100263141) 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, 4402096 + ... + 4441018.

It is an arithmetic number, because the mean of its divisors is an integer number (12325362448).

Almost surely, 2^172100263111 is an apocalyptic number.

172100263111 is a deficient number, since it is larger than the sum of its proper divisors (25105536057).

172100263111 is a wasteful number, since it uses less digits than its factorization.

172100263111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40582.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 172100263111 its reverse (111362001271), we get a palindrome (283462264382).

The spelling of 172100263111 in words is "one hundred seventy-two billion, one hundred million, two hundred sixty-three thousand, one hundred eleven".