11420814808744 has 128 divisors (see below), whose sum is σ = 24184063728000. Its totient is φ = 5012485632000.

The previous prime is 11420814808721. The next prime is 11420814808751. The reversal of 11420814808744 is 44780841802411.

It is a junction number, because it is equal to n+sod(n) for n = 11420814808691 and 11420814808700.

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, 57646447 + ... + 57844225.

It is an arithmetic number, because the mean of its divisors is an integer number (188937997875).

Almost surely, 2^{11420814808744} 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 11420814808744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12092031864000).

11420814808744 is an abundant number, since it is smaller than the sum of its proper divisors (12763248919256).

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

11420814808744 is a wasteful number, since it uses less digits than its factorization.

11420814808744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198059 (or 198055 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 52.

The spelling of 11420814808744 in words is "eleven trillion, four hundred twenty billion, eight hundred fourteen million, eight hundred eight thousand, seven hundred forty-four".