11023111553104 has 80 divisors (see below), whose sum is σ = 25031220149376. Its totient is φ = 4603883212800.

The previous prime is 11023111553071. The next prime is 11023111553117. The reversal of 11023111553104 is 40135511132011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2841624 + ... + 5488264.

Almost surely, 2^{11023111553104} is an apocalyptic number.

11023111553104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11023111553104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12515610074688).

11023111553104 is an abundant number, since it is smaller than the sum of its proper divisors (14008108596272).

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

11023111553104 is a wasteful number, since it uses less digits than its factorization.

11023111553104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647604 (or 2647598 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 11023111553104 its reverse (40135511132011), we get a palindrome (51158622685115).

The spelling of 11023111553104 in words is "eleven trillion, twenty-three billion, one hundred eleven million, five hundred fifty-three thousand, one hundred four".