11522165021171 has 8 divisors (see below), whose sum is σ = 13200384659040. Its totient is φ = 9851994399168.

The previous prime is 11522165021161. The next prime is 11522165021231. The reversal of 11522165021171 is 17112056122511.

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

It is a cyclic number.

It is not a de Polignac number, because 11522165021171 - 2¹⁴ = 11522165004787 is a prime.

It is a super-2 number, since 2×11522165021171² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11522165021111) 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, 2012250896 + ... + 2012256621.

It is an arithmetic number, because the mean of its divisors is an integer number (1650048082380).

Almost surely, 2^{11522165021171} is an apocalyptic number.

11522165021171 is a deficient number, since it is larger than the sum of its proper divisors (1678219637869).

11522165021171 is an equidigital number, since it uses as much as digits as its factorization.

11522165021171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024507933.

The product of its (nonzero) digits is 8400, while the sum is 35.

The spelling of 11522165021171 in words is "eleven trillion, five hundred twenty-two billion, one hundred sixty-five million, twenty-one thousand, one hundred seventy-one".