11219231063 has 4 divisors (see below), whose sum is σ = 11257522248. Its totient is φ = 11180939880.

The previous prime is 11219231059. The next prime is 11219231077. The reversal of 11219231063 is 36013291211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11219231063 - 2² = 11219231059 is a prime.

It is a super-2 number, since 2×11219231063² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11219231563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19145153 + ... + 19145738.

It is an arithmetic number, because the mean of its divisors is an integer number (2814380562).

Almost surely, 2^11219231063 is an apocalyptic number.

11219231063 is a deficient number, since it is larger than the sum of its proper divisors (38291185).

11219231063 is an equidigital number, since it uses as much as digits as its factorization.

11219231063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38291184.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 11219231063 in words is "eleven billion, two hundred nineteen million, two hundred thirty-one thousand, sixty-three".