11481551104 has 81 divisors (see below), whose sum is σ = 23685259311. Its totient is φ = 5554759680.

The previous prime is 11481551083. The next prime is 11481551113. The reversal of 11481551104 is 40115518411.

The square root of 11481551104 is 107152.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 572166400 + 10909384704 = 23920^2 + 104448^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 63433894 + ... + 63434074.

Almost surely, 2^11481551104 is an apocalyptic number.

11481551104 is the 107152-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11481551104

11481551104 is an abundant number, since it is smaller than the sum of its proper divisors (12203708207).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11481551104 is an frugal number, since it uses more digits than its factorization.

11481551104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 31.

The spelling of 11481551104 in words is "eleven billion, four hundred eighty-one million, five hundred fifty-one thousand, one hundred four".