11400217055 has 32 divisors (see below), whose sum is σ = 14153564160. Its totient is φ = 8810605440.

The previous prime is 11400217009. The next prime is 11400217181. The reversal of 11400217055 is 55071200411.

11400217055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11400217055 - 2⁶ = 11400216991 is a prime.

It is a super-2 number, since 2×11400217055² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13209554 + ... + 13210416.

It is an arithmetic number, because the mean of its divisors is an integer number (442298880).

Almost surely, 2^11400217055 is an apocalyptic number.

11400217055 is a deficient number, since it is larger than the sum of its proper divisors (2753347105).

11400217055 is an equidigital number, since it uses as much as digits as its factorization.

11400217055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 11400217055 its reverse (55071200411), we get a palindrome (66471417466).

The spelling of 11400217055 in words is "eleven billion, four hundred million, two hundred seventeen thousand, fifty-five".