22506867438311 has 8 divisors (see below), whose sum is σ = 23235258482304. Its totient is φ = 21778624085760.

The previous prime is 22506867438283. The next prime is 22506867438323. The reversal of 22506867438311 is 11383476860522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22506867438311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22506867438331) 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, 36613106 + ... + 37222751.

It is an arithmetic number, because the mean of its divisors is an integer number (2904407310288).

Almost surely, 2^{22506867438311} is an apocalyptic number.

22506867438311 is a deficient number, since it is larger than the sum of its proper divisors (728391043993).

22506867438311 is an equidigital number, since it uses as much as digits as its factorization.

22506867438311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73845721.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 22506867438311 in words is "twenty-two trillion, five hundred six billion, eight hundred sixty-seven million, four hundred thirty-eight thousand, three hundred eleven".