11278220614528 has 64 divisors (see below), whose sum is σ = 25681048408800. Its totient is φ = 4832966541312.

The previous prime is 11278220614523. The next prime is 11278220614537. The reversal of 11278220614528 is 82541602287211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11278220614523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7108008 + ... + 8548696.

Almost surely, 2^{11278220614528} is an apocalyptic number.

It is an amenable number.

11278220614528 is an abundant number, since it is smaller than the sum of its proper divisors (14402827794272).

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

11278220614528 is an equidigital number, since it uses as much as digits as its factorization.

11278220614528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449447 (or 1449435 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 11278220614528 in words is "eleven trillion, two hundred seventy-eight billion, two hundred twenty million, six hundred fourteen thousand, five hundred twenty-eight".