11231548441 has 9 divisors (see below), whose sum is σ = 11331947263. Its totient is φ = 11132034160.

The previous prime is 11231548429. The next prime is 11231548483. The reversal of 11231548441 is 14484513211.

The square root of 11231548441 is 105979.

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

It can be written as a sum of positive squares in only one way, i.e., 9886126041 + 1345422400 = 99429^2 + 36680^2 .

It is not a de Polignac number, because 11231548441 - 2⁵ = 11231548409 is a prime.

It is a super-2 number, since 2×11231548441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11231548397 and 11231548406.

It is not an unprimeable number, because it can be changed into a prime (11231543441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13882845 + ... + 13883653.

Almost surely, 2^11231548441 is an apocalyptic number.

11231548441 is the 105979-th square number.

11231548441 is the 52990-th centered octagonal number.

It is an amenable number.

11231548441 is a deficient number, since it is larger than the sum of its proper divisors (100398822).

11231548441 is an frugal number, since it uses more digits than its factorization.

11231548441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 940 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The spelling of 11231548441 in words is "eleven billion, two hundred thirty-one million, five hundred forty-eight thousand, four hundred forty-one".