11156218863 has 8 divisors (see below), whose sum is σ = 14890974000. Its totient is φ = 7429471488.

The previous prime is 11156218841. The next prime is 11156218867. The reversal of 11156218863 is 36881265111.

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

It is not a de Polignac number, because 11156218863 - 2¹³ = 11156210671 is a prime.

It is a super-2 number, since 2×11156218863² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156218867) 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, 1998688 + ... + 2004261.

It is an arithmetic number, because the mean of its divisors is an integer number (1861371750).

Almost surely, 2^11156218863 is an apocalyptic number.

11156218863 is a deficient number, since it is larger than the sum of its proper divisors (3734755137).

11156218863 is an equidigital number, since it uses as much as digits as its factorization.

11156218863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003881.

The product of its digits is 69120, while the sum is 42.

The spelling of 11156218863 in words is "eleven billion, one hundred fifty-six million, two hundred eighteen thousand, eight hundred sixty-three".