11774375449920 has 168 divisors, whose sum is σ = 40504527697920. Its totient is φ = 3139400678400.

The previous prime is 11774375449913. The next prime is 11774375449933. The reversal of 11774375449920 is 2994457347711.

It is a happy number.

11774375449920 is a `hidden beast` number, since 1 + 1 + 7 + 74 + 3 + 7 + 54 + 499 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20892801 + ... + 21448959.

Almost surely, 2^{11774375449920} is an apocalyptic number.

11774375449920 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 11774375449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20252263848960).

11774375449920 is an abundant number, since it is smaller than the sum of its proper divisors (28730152248000).

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

11774375449920 is a wasteful number, since it uses less digits than its factorization.

11774375449920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563533 (or 563520 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 11774375449920 in words is "eleven trillion, seven hundred seventy-four billion, three hundred seventy-five million, four hundred forty-nine thousand, nine hundred twenty".