11005420255 has 8 divisors (see below), whose sum is σ = 13901583600. Its totient is φ = 8340950016.

The previous prime is 11005420241. The next prime is 11005420289. The reversal of 11005420255 is 55202450011.

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 11005420255 - 2⁹ = 11005419743 is a prime.

It is a super-2 number, since 2×11005420255² (a number of 21 digits) contains 22 as substring.

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, 57923170 + ... + 57923359.

It is an arithmetic number, because the mean of its divisors is an integer number (1737697950).

Almost surely, 2^11005420255 is an apocalyptic number.

11005420255 is a deficient number, since it is larger than the sum of its proper divisors (2896163345).

11005420255 is a wasteful number, since it uses less digits than its factorization.

11005420255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115846553.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 11005420255 its reverse (55202450011), we get a palindrome (66207870266).

The spelling of 11005420255 in words is "eleven billion, five million, four hundred twenty thousand, two hundred fifty-five".