11274920448 has 160 divisors (see below), whose sum is σ = 33186447360. Its totient is φ = 3372994560.

The previous prime is 11274920429. The next prime is 11274920477. The reversal of 11274920448 is 84402947211.

It is a super-2 number, since 2×11274920448² (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 15 ways as a sum of consecutive naturals, for example, 1330561 + ... + 1339007.

It is an arithmetic number, because the mean of its divisors is an integer number (207415296).

Almost surely, 2^11274920448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11274920448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16593223680).

11274920448 is an abundant number, since it is smaller than the sum of its proper divisors (21911526912).

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

11274920448 is an equidigital number, since it uses as much as digits as its factorization.

11274920448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8558 (or 8542 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 11274920448 in words is "eleven billion, two hundred seventy-four million, nine hundred twenty thousand, four hundred forty-eight".