172220070105611 has 32 divisors (see below), whose sum is σ = 195330728226816. Its totient is φ = 150481533024000.

The previous prime is 172220070105569. The next prime is 172220070105641. The reversal of 172220070105611 is 116501070022271.

It is a cyclic number.

It is not a de Polignac number, because 172220070105611 - 2²² = 172220065911307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172220070105641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1124075 + ... + 18593108.

It is an arithmetic number, because the mean of its divisors is an integer number (6104085257088).

Almost surely, 2^{172220070105611} is an apocalyptic number.

172220070105611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

172220070105611 is a deficient number, since it is larger than the sum of its proper divisors (23110658121205).

172220070105611 is a wasteful number, since it uses less digits than its factorization.

172220070105611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19717523.

The product of its (nonzero) digits is 11760, while the sum is 35.

The spelling of 172220070105611 in words is "one hundred seventy-two trillion, two hundred twenty billion, seventy million, one hundred five thousand, six hundred eleven".