11147964912 has 180 divisors, whose sum is σ = 36835744296. Its totient is φ = 3137460480.

The previous prime is 11147964857. The next prime is 11147964917. The reversal of 11147964912 is 21946974111.

11147964912 is a `hidden beast` number, since 11 + 147 + 9 + 6 + 491 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11147964917) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 460962 + ... + 484542.

Almost surely, 2^11147964912 is an apocalyptic number.

11147964912 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 11147964912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18417872148).

11147964912 is an abundant number, since it is smaller than the sum of its proper divisors (25687779384).

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

11147964912 is a wasteful number, since it uses less digits than its factorization.

11147964912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23676 (or 23660 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The spelling of 11147964912 in words is "eleven billion, one hundred forty-seven million, nine hundred sixty-four thousand, nine hundred twelve".