1115745280000 has 280 divisors, whose sum is σ = 3002964187608. Its totient is φ = 411942912000.

The previous prime is 1115745279997. The next prime is 1115745280051. The reversal of 1115745280000 is 825475111.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66551619 + ... + 66568381.

Almost surely, 2^{1115745280000} is an apocalyptic number.

1115745280000 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 1115745280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501482093804).

1115745280000 is an abundant number, since it is smaller than the sum of its proper divisors (1887218907608).

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

1115745280000 is an frugal number, since it uses more digits than its factorization.

1115745280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16822 (or 16783 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The spelling of 1115745280000 in words is "one trillion, one hundred fifteen billion, seven hundred forty-five million, two hundred eighty thousand".