1111043763648 has 896 divisors, whose sum is σ = 4188492349440. Its totient is φ = 280921374720.

The previous prime is 1111043763637. The next prime is 1111043763701. The reversal of 1111043763648 is 8463673401111.

It is a happy number.

1111043763648 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 0 + 4 + 3 + 7 + 636 + 4 + 8 = 666.

It is a super-2 number, since 2×1111043763648² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 550838736 + ... + 550840752.

It is an arithmetic number, because the mean of its divisors is an integer number (4674656640).

Almost surely, 2^{1111043763648} is an apocalyptic number.

1111043763648 is a gapful number since it is divisible by the number (18) 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 1111043763648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094246174720).

1111043763648 is an abundant number, since it is smaller than the sum of its proper divisors (3077448585792).

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

1111043763648 is a wasteful number, since it uses less digits than its factorization.

1111043763648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 1111043763648 in words is "one trillion, one hundred eleven billion, forty-three million, seven hundred sixty-three thousand, six hundred forty-eight".