11481622528 has 24 divisors (see below), whose sum is σ = 22957642890. Its totient is φ = 5740810240.

The previous prime is 11481622513. The next prime is 11481622541. The reversal of 11481622528 is 82522618411.

It can be written as a sum of positive squares in only one way, i.e., 11023320064 + 458302464 = 104992^2 + 21408^2 .

It is a super-2 number, since 2×11481622528² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2801083 + ... + 2805178.

Almost surely, 2^11481622528 is an apocalyptic number.

It is an amenable number.

11481622528 is a deficient number, since it is larger than the sum of its proper divisors (11476020362).

11481622528 is an frugal number, since it uses more digits than its factorization.

11481622528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606283 (or 5606263 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The spelling of 11481622528 in words is "eleven billion, four hundred eighty-one million, six hundred twenty-two thousand, five hundred twenty-eight".