11321522554 has 16 divisors (see below), whose sum is σ = 17145805248. Its totient is φ = 5606284032.

The previous prime is 11321522539. The next prime is 11321522557. The reversal of 11321522554 is 45522512311.

11321522554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11321522557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269499 + ... + 1278385.

It is an arithmetic number, because the mean of its divisors is an integer number (1071612828).

Almost surely, 2^11321522554 is an apocalyptic number.

11321522554 is a deficient number, since it is larger than the sum of its proper divisors (5824282694).

11321522554 is a wasteful number, since it uses less digits than its factorization.

11321522554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14949.

The product of its digits is 12000, while the sum is 31.

The spelling of 11321522554 in words is "eleven billion, three hundred twenty-one million, five hundred twenty-two thousand, five hundred fifty-four".