11542973448 has 16 divisors (see below), whose sum is σ = 28857433680. Its totient is φ = 3847657808.

The previous prime is 11542973447. The next prime is 11542973503. The reversal of 11542973448 is 84437924511.

It is a junction number, because it is equal to n+sod(n) for n = 11542973397 and 11542973406.

It is not an unprimeable number, because it can be changed into a prime (11542973447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240478590 + ... + 240478637.

It is an arithmetic number, because the mean of its divisors is an integer number (1803589605).

Almost surely, 2^11542973448 is an apocalyptic number.

It is an amenable number.

11542973448 is an abundant number, since it is smaller than the sum of its proper divisors (17314460232).

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

11542973448 is a wasteful number, since it uses less digits than its factorization.

11542973448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480957236 (or 480957232 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 11542973448 in words is "eleven billion, five hundred forty-two million, nine hundred seventy-three thousand, four hundred forty-eight".