11620278775608 has 128 divisors (see below), whose sum is σ = 30024143769600. Its totient is φ = 3745763840000.

The previous prime is 11620278775597. The next prime is 11620278775639. The reversal of 11620278775608 is 80657787202611.

11620278775608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3408853²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361322233 + ... + 361354391.

It is an arithmetic number, because the mean of its divisors is an integer number (234563623200).

Almost surely, 2^{11620278775608} 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 11620278775608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15012071884800).

11620278775608 is an abundant number, since it is smaller than the sum of its proper divisors (18403864993992).

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

11620278775608 is a wasteful number, since it uses less digits than its factorization.

11620278775608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36293 (or 36289 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 60.

The spelling of 11620278775608 in words is "eleven trillion, six hundred twenty billion, two hundred seventy-eight million, seven hundred seventy-five thousand, six hundred eight".