10911978415872 has 360 divisors, whose sum is σ = 33440247696240. Its totient is φ = 3537156833280.

The previous prime is 10911978415837. The next prime is 10911978415883. The reversal of 10911978415872 is 27851487911901.

10911978415872 is a `hidden beast` number, since 1 + 0 + 9 + 1 + 1 + 9 + 7 + 8 + 41 + 587 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 204160672 + ... + 204214112.

It is an arithmetic number, because the mean of its divisors is an integer number (92889576934).

Almost surely, 2^{10911978415872} is an apocalyptic number.

10911978415872 is a gapful number since it is divisible by the number (12) 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 10911978415872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16720123848120).

10911978415872 is an abundant number, since it is smaller than the sum of its proper divisors (22528269280368).

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

10911978415872 is an equidigital number, since it uses as much as digits as its factorization.

10911978415872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53741 (or 53718 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 63.

The spelling of 10911978415872 in words is "ten trillion, nine hundred eleven billion, nine hundred seventy-eight million, four hundred fifteen thousand, eight hundred seventy-two".