11178648912 has 40 divisors (see below), whose sum is σ = 29423054304. Its totient is φ = 3655909504.

The previous prime is 11178648851. The next prime is 11178648919. The reversal of 11178648912 is 21984687111.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11178648919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194518 + ... + 2199605.

Almost surely, 2^11178648912 is an apocalyptic number.

11178648912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11178648912 is an abundant number, since it is smaller than the sum of its proper divisors (18244405392).

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

11178648912 is a wasteful number, since it uses less digits than its factorization.

11178648912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394187 (or 4394181 counting only the distinct ones).

The product of its digits is 193536, while the sum is 48.

The spelling of 11178648912 in words is "eleven billion, one hundred seventy-eight million, six hundred forty-eight thousand, nine hundred twelve".