263243156111 has 8 divisors (see below), whose sum is σ = 283530629424. Its totient is φ = 242961111360.

The previous prime is 263243156093. The next prime is 263243156117. The reversal of 263243156111 is 111651342362.

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 263243156111 - 2³⁴ = 246063286927 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 (263243156117) 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, 1256141 + ... + 1450646.

It is an arithmetic number, because the mean of its divisors is an integer number (35441328678).

Almost surely, 2^263243156111 is an apocalyptic number.

263243156111 is a deficient number, since it is larger than the sum of its proper divisors (20287473313).

263243156111 is a wasteful number, since it uses less digits than its factorization.

263243156111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714281.

The product of its digits is 25920, while the sum is 35.

Adding to 263243156111 its reverse (111651342362), we get a palindrome (374894498473).

The spelling of 263243156111 in words is "two hundred sixty-three billion, two hundred forty-three million, one hundred fifty-six thousand, one hundred eleven".