172113748141 has 2 divisors, whose sum is σ = 172113748142. Its totient is φ = 172113748140.

The previous prime is 172113748139. The next prime is 172113748187. The reversal of 172113748141 is 141847311271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149134220041 + 22979528100 = 386179^2 + 151590^2 .

It is a cyclic number.

It is not a de Polignac number, because 172113748141 - 2¹ = 172113748139 is a prime.

Together with 172113748139, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 172113748094 and 172113748103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172113746141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86056874070 + 86056874071.

It is an arithmetic number, because the mean of its divisors is an integer number (86056874071).

Almost surely, 2^172113748141 is an apocalyptic number.

It is an amenable number.

172113748141 is a deficient number, since it is larger than the sum of its proper divisors (1).

172113748141 is an equidigital number, since it uses as much as digits as its factorization.

172113748141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 40.

The spelling of 172113748141 in words is "one hundred seventy-two billion, one hundred thirteen million, seven hundred forty-eight thousand, one hundred forty-one".