11121525243552 has 96 divisors (see below), whose sum is σ = 29223043823232. Its totient is φ = 3703489081344.

The previous prime is 11121525243509. The next prime is 11121525243559. The reversal of 11121525243552 is 25534252512111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 11121525243552.

It is not an unprimeable number, because it can be changed into a prime (11121525243559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558103413 + ... + 558123339.

It is an arithmetic number, because the mean of its divisors is an integer number (304406706492).

Almost surely, 2^{11121525243552} is an apocalyptic number.

11121525243552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121525243552 is an abundant number, since it is smaller than the sum of its proper divisors (18101518579680).

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

11121525243552 is a wasteful number, since it uses less digits than its factorization.

11121525243552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25430 (or 25422 counting only the distinct ones).

The product of its digits is 120000, while the sum is 39.

Adding to 11121525243552 its reverse (25534252512111), we get a palindrome (36655777755663).

The spelling of 11121525243552 in words is "eleven trillion, one hundred twenty-one billion, five hundred twenty-five million, two hundred forty-three thousand, five hundred fifty-two".