11055215503444 has 96 divisors (see below), whose sum is σ = 23284269711360. Its totient is φ = 4490302303872.

The previous prime is 11055215503403. The next prime is 11055215503471. The reversal of 11055215503444 is 44430551255011.

It is a super-2 number, since 2×11055215503444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11055215503397 and 11055215503406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61824237 + ... + 62002795.

It is an arithmetic number, because the mean of its divisors is an integer number (242544476160).

Almost surely, 2^{11055215503444} is an apocalyptic number.

11055215503444 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 11055215503444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11642134855680).

11055215503444 is an abundant number, since it is smaller than the sum of its proper divisors (12229054207916).

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

11055215503444 is a wasteful number, since it uses less digits than its factorization.

11055215503444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179477 (or 179475 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 11055215503444 its reverse (44430551255011), we get a palindrome (55485766758455).

The spelling of 11055215503444 in words is "eleven trillion, fifty-five billion, two hundred fifteen million, five hundred three thousand, four hundred forty-four".