11047878091008 has 648 divisors, whose sum is σ = 38519422958016. Its totient is φ = 3013867929600.

The previous prime is 11047878090983. The next prime is 11047878091039. The reversal of 11047878091008 is 80019087874011.

11047878091008 is a `hidden beast` number, since 1 + 1 + 0 + 478 + 7 + 80 + 91 + 0 + 0 + 8 = 666.

It is a super-2 number, since 2×11047878091008² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 168428778 + ... + 168494358.

Almost surely, 2^{11047878091008} is an apocalyptic number.

11047878091008 is a gapful number since it is divisible by the number (18) 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 11047878091008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19259711479008).

11047878091008 is an abundant number, since it is smaller than the sum of its proper divisors (27471544867008).

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

11047878091008 is a wasteful number, since it uses less digits than its factorization.

11047878091008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65671 (or 65637 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 54.

The spelling of 11047878091008 in words is "eleven trillion, forty-seven billion, eight hundred seventy-eight million, ninety-one thousand, eight".