1141881448 has 16 divisors (see below), whose sum is σ = 2176127460. Its totient is φ = 561580800.

The previous prime is 1141881443. The next prime is 1141881523. The reversal of 1141881448 is 8441881411.

It can be written as a sum of positive squares in 2 ways, for example, as 953697924 + 188183524 = 30882^2 + 13718^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1141881448.

It is not an unprimeable number, because it can be changed into a prime (1141881443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169473 + ... + 1170448.

Almost surely, 2^1141881448 is an apocalyptic number.

It is an amenable number.

1141881448 is a deficient number, since it is larger than the sum of its proper divisors (1034246012).

1141881448 is a wasteful number, since it uses less digits than its factorization.

1141881448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339988 (or 2339984 counting only the distinct ones).

The product of its digits is 32768, while the sum is 40.

The square root of 1141881448 is about 33791.7363862824. The cubic root of 1141881448 is about 1045.2183019585.

The spelling of 1141881448 in words is "one billion, one hundred forty-one million, eight hundred eighty-one thousand, four hundred forty-eight".