11015643231104 has 96 divisors (see below), whose sum is σ = 23316939677640. Its totient is φ = 5181982755840.

The previous prime is 11015643231097. The next prime is 11015643231157. The reversal of 11015643231104 is 40113234651011.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2796959 + ... + 5463905.

Almost surely, 2^{11015643231104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11015643231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11658469838820).

11015643231104 is an abundant number, since it is smaller than the sum of its proper divisors (12301296446536).

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

11015643231104 is an equidigital number, since it uses as much as digits as its factorization.

11015643231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667068 (or 2667033 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 11015643231104 its reverse (40113234651011), we get a palindrome (51128877882115).

The spelling of 11015643231104 in words is "eleven trillion, fifteen billion, six hundred forty-three million, two hundred thirty-one thousand, one hundred four".