22661004105505 has 8 divisors (see below), whose sum is σ = 27193255846272. Its totient is φ = 18128769337968.

The previous prime is 22661004105499. The next prime is 22661004105527. The reversal of 22661004105505 is 50550140016622.

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 22661004105505 - 2¹¹ = 22661004103457 is a prime.

It is a super-2 number, since 2×22661004105505² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093527 + ... + 6820396.

It is an arithmetic number, because the mean of its divisors is an integer number (3399156980784).

Almost surely, 2^{22661004105505} is an apocalyptic number.

It is an amenable number.

22661004105505 is a deficient number, since it is larger than the sum of its proper divisors (4532251740767).

22661004105505 is an equidigital number, since it uses as much as digits as its factorization.

22661004105505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8486615.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 22661004105505 in words is "twenty-two trillion, six hundred sixty-one billion, four million, one hundred five thousand, five hundred five".