11448847980 has 72 divisors (see below), whose sum is σ = 35217340704. Its totient is φ = 3010022400.

The previous prime is 11448847979. The next prime is 11448848003. The reversal of 11448847980 is 8974884411.

11448847980 is a `hidden beast` number, since 1 + 14 + 4 + 88 + 479 + 80 = 666.

It is a super-2 number, since 2×11448847980² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435141 + ... + 460700.

It is an arithmetic number, because the mean of its divisors is an integer number (489129732).

Almost surely, 2^11448847980 is an apocalyptic number.

11448847980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11448847980 is an abundant number, since it is smaller than the sum of its proper divisors (23768492724).

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

11448847980 is a wasteful number, since it uses less digits than its factorization.

11448847980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895927 (or 895922 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 11448847980 in words is "eleven billion, four hundred forty-eight million, eight hundred forty-seven thousand, nine hundred eighty".