11454220055 has 16 divisors (see below), whose sum is σ = 14125276704. Its totient is φ = 8910207360.

The previous prime is 11454220051. The next prime is 11454220081. The reversal of 11454220055 is 55002245411.

It is not a de Polignac number, because 11454220055 - 2² = 11454220051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454220051) 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, 294920 + ... + 331490.

It is an arithmetic number, because the mean of its divisors is an integer number (882829794).

Almost surely, 2^11454220055 is an apocalyptic number.

11454220055 is a deficient number, since it is larger than the sum of its proper divisors (2671056649).

11454220055 is a wasteful number, since it uses less digits than its factorization.

11454220055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38306.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 11454220055 its reverse (55002245411), we get a palindrome (66456465466).

The spelling of 11454220055 in words is "eleven billion, four hundred fifty-four million, two hundred twenty thousand, fifty-five".