11906515782000 has 1200 divisors, whose sum is σ = 50186133721152. Its totient is φ = 2720866982400.

The previous prime is 11906515781989. The next prime is 11906515782061. The reversal of 11906515782000 is 28751560911.

11906515782000 is a `hidden beast` number, since 1 + 1 + 9 + 0 + 6 + 51 + 578 + 20 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 2722731814 + ... + 2722736186.

Almost surely, 2^{11906515782000} is an apocalyptic number.

11906515782000 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 11906515782000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25093066860576).

11906515782000 is an abundant number, since it is smaller than the sum of its proper divisors (38279617939152).

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

11906515782000 is an frugal number, since it uses more digits than its factorization.

11906515782000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 45.

The spelling of 11906515782000 in words is "eleven trillion, nine hundred six billion, five hundred fifteen million, seven hundred eighty-two thousand".