11947787429760 has 1152 divisors, whose sum is σ = 54060979901760. Its totient is φ = 2372543447040.

The previous prime is 11947787429759. The next prime is 11947787429791. The reversal of 11947787429760 is 6792478774911.

It is a happy number.

11947787429760 is a `hidden beast` number, since 1 + 1 + 9 + 477 + 8 + 7 + 4 + 2 + 97 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 115787790 + ... + 115890930.

Almost surely, 2^{11947787429760} is an apocalyptic number.

11947787429760 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 11947787429760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27030489950880).

11947787429760 is an abundant number, since it is smaller than the sum of its proper divisors (42113192472000).

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

11947787429760 is a wasteful number, since it uses less digits than its factorization.

11947787429760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103216 (or 103188 counting only the distinct ones).

The product of its (nonzero) digits is 298722816, while the sum is 72.

The spelling of 11947787429760 in words is "eleven trillion, nine hundred forty-seven billion, seven hundred eighty-seven million, four hundred twenty-nine thousand, seven hundred sixty".