11454322155 has 16 divisors (see below), whose sum is σ = 18753123840. Its totient is φ = 5966902368.

The previous prime is 11454322147. The next prime is 11454322189. The reversal of 11454322155 is 55122345411.

It is not a de Polignac number, because 11454322155 - 2³ = 11454322147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8878675 + ... + 8879964.

It is an arithmetic number, because the mean of its divisors is an integer number (1172070240).

Almost surely, 2^11454322155 is an apocalyptic number.

11454322155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11454322155 is a deficient number, since it is larger than the sum of its proper divisors (7298801685).

11454322155 is a wasteful number, since it uses less digits than its factorization.

11454322155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17758690.

The product of its digits is 24000, while the sum is 33.

Adding to 11454322155 its reverse (55122345411), we get a palindrome (66576667566).

The spelling of 11454322155 in words is "eleven billion, four hundred fifty-four million, three hundred twenty-two thousand, one hundred fifty-five".