11115663522 has 8 divisors (see below), whose sum is σ = 22231327056. Its totient is φ = 3705221172.

The previous prime is 11115663497. The next prime is 11115663523. The reversal of 11115663522 is 22536651111.

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

11115663522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11115663523) 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, 926305288 + ... + 926305299.

It is an arithmetic number, because the mean of its divisors is an integer number (2778915882).

Almost surely, 2^11115663522 is an apocalyptic number.

11115663522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11115663522 is a wasteful number, since it uses less digits than its factorization.

11115663522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852610592.

The product of its digits is 10800, while the sum is 33.

The spelling of 11115663522 in words is "eleven billion, one hundred fifteen million, six hundred sixty-three thousand, five hundred twenty-two".