11131441455 has 16 divisors (see below), whose sum is σ = 17819566560. Its totient is φ = 5933682048.

The previous prime is 11131441429. The next prime is 11131441459. The reversal of 11131441455 is 55414413111.

It is not a de Polignac number, because 11131441455 - 2⁵ = 11131441423 is a prime.

It is a super-5 number, since 5×11131441455⁵ (a number of 51 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131441459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162960 + ... + 220949.

It is an arithmetic number, because the mean of its divisors is an integer number (1113722910).

Almost surely, 2^11131441455 is an apocalyptic number.

11131441455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11131441455 is a deficient number, since it is larger than the sum of its proper divisors (6688125105).

11131441455 is a wasteful number, since it uses less digits than its factorization.

11131441455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385850.

The product of its digits is 4800, while the sum is 30.

Adding to 11131441455 its reverse (55414413111), we get a palindrome (66545854566).

The spelling of 11131441455 in words is "eleven billion, one hundred thirty-one million, four hundred forty-one thousand, four hundred fifty-five".