172377042241 has 4 divisors (see below), whose sum is σ = 172491125184. Its totient is φ = 172262959300.

The previous prime is 172377042239. The next prime is 172377042247. The reversal of 172377042241 is 142240773271.

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, and also an emirpimes, since its reverse is a distinct semiprime: 142240773271 = 31 ⋅4588412041.

It is a cyclic number.

It is not a de Polignac number, because 172377042241 - 2¹ = 172377042239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172377042194 and 172377042203.

It is not an unprimeable number, because it can be changed into a prime (172377042247) 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, 57039205 + ... + 57042226.

It is an arithmetic number, because the mean of its divisors is an integer number (43122781296).

Almost surely, 2^172377042241 is an apocalyptic number.

It is an amenable number.

172377042241 is a deficient number, since it is larger than the sum of its proper divisors (114082943).

172377042241 is a wasteful number, since it uses less digits than its factorization.

172377042241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114082942.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 172377042241 in words is "one hundred seventy-two billion, three hundred seventy-seven million, forty-two thousand, two hundred forty-one".