2663634361111 has 32 divisors (see below), whose sum is σ = 2924383150080. Its totient is φ = 2416106896896.

The previous prime is 2663634361001. The next prime is 2663634361123. The reversal of 2663634361111 is 1111634363662.

It is a cyclic number.

It is not a de Polignac number, because 2663634361111 - 2¹⁵ = 2663634328343 is a prime.

It is a super-4 number, since 4×2663634361111⁴ (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663634311111) 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, 179809941 + ... + 179824753.

It is an arithmetic number, because the mean of its divisors is an integer number (91386973440).

Almost surely, 2^{2663634361111} is an apocalyptic number.

2663634361111 is a deficient number, since it is larger than the sum of its proper divisors (260748788969).

2663634361111 is a wasteful number, since it uses less digits than its factorization.

2663634361111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18303.

The product of its digits is 279936, while the sum is 43.

The spelling of 2663634361111 in words is "two trillion, six hundred sixty-three billion, six hundred thirty-four million, three hundred sixty-one thousand, one hundred eleven".