11121474535288 has 128 divisors (see below), whose sum is σ = 22671337328640. Its totient is φ = 5084243136000.

The previous prime is 11121474535273. The next prime is 11121474535289. The reversal of 11121474535288 is 88253547412111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121474535289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5569089906 + ... + 5569091902.

It is an arithmetic number, because the mean of its divisors is an integer number (177119822880).

Almost surely, 2^{11121474535288} 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 11121474535288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11335668664320).

11121474535288 is an abundant number, since it is smaller than the sum of its proper divisors (11549862793352).

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

11121474535288 is a wasteful number, since it uses less digits than its factorization.

11121474535288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269 (or 3265 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 52.

The spelling of 11121474535288 in words is "eleven trillion, one hundred twenty-one billion, four hundred seventy-four million, five hundred thirty-five thousand, two hundred eighty-eight".