1113555040000 has 540 divisors, whose sum is σ = 3159067068696. Its totient is φ = 389256192000.

The previous prime is 1113555039997. The next prime is 1113555040007. The reversal of 1113555040000 is 405553111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113555040007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 750879259 + ... + 750880741.

Almost surely, 2^{1113555040000} is an apocalyptic number.

1113555040000 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 1113555040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579533534348).

1113555040000 is an abundant number, since it is smaller than the sum of its proper divisors (2045512028696).

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

1113555040000 is an equidigital number, since it uses as much as digits as its factorization.

1113555040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 1113555040000 in words is "one trillion, one hundred thirteen billion, five hundred fifty-five million, forty thousand".