11042866263 has 16 divisors (see below), whose sum is σ = 17297917056. Its totient is φ = 6177827040.

The previous prime is 11042866201. The next prime is 11042866271. The reversal of 11042866263 is 36266824011.

It is not a de Polignac number, because 11042866263 - 2¹⁸ = 11042604119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042866363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12870045 + ... + 12870902.

It is an arithmetic number, because the mean of its divisors is an integer number (1081119816).

Almost surely, 2^11042866263 is an apocalyptic number.

11042866263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11042866263 is a deficient number, since it is larger than the sum of its proper divisors (6255050793).

11042866263 is a wasteful number, since it uses less digits than its factorization.

11042866263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25740974.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 11042866263 in words is "eleven billion, forty-two million, eight hundred sixty-six thousand, two hundred sixty-three".