11111774898960 has 480 divisors, whose sum is σ = 40758111313920. Its totient is φ = 2805658560000.

The previous prime is 11111774898953. The next prime is 11111774898989. The reversal of 11111774898960 is 6989847711111.

11111774898960 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 1 + 77 + 489 + 89 + 6 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 779711835 + ... + 779726085.

It is an arithmetic number, because the mean of its divisors is an integer number (84912731904).

Almost surely, 2^{11111774898960} is an apocalyptic number.

11111774898960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11111774898960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20379055656960).

11111774898960 is an abundant number, since it is smaller than the sum of its proper divisors (29646336414960).

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

11111774898960 is a wasteful number, since it uses less digits than its factorization.

11111774898960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16409 (or 16391 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 63.

The spelling of 11111774898960 in words is "eleven trillion, one hundred eleven billion, seven hundred seventy-four million, eight hundred ninety-eight thousand, nine hundred sixty".