11250121055 has 8 divisors (see below), whose sum is σ = 13754865312. Its totient is φ = 8830283488.

The previous prime is 11250121049. The next prime is 11250121067. The reversal of 11250121055 is 55012105211.

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

It is a cyclic number.

It is not a de Polignac number, because 11250121055 - 2¹² = 11250116959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11250121055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21226379 + ... + 21226908.

It is an arithmetic number, because the mean of its divisors is an integer number (1719358164).

Almost surely, 2^11250121055 is an apocalyptic number.

11250121055 is a deficient number, since it is larger than the sum of its proper divisors (2504744257).

11250121055 is an equidigital number, since it uses as much as digits as its factorization.

11250121055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42453345.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 11250121055 its reverse (55012105211), we get a palindrome (66262226266).

The spelling of 11250121055 in words is "eleven billion, two hundred fifty million, one hundred twenty-one thousand, fifty-five".