11078870172 has 24 divisors (see below), whose sum is σ = 25897971456. Its totient is φ = 3686203248.

The previous prime is 11078870171. The next prime is 11078870213. The reversal of 11078870172 is 27107887011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11078870171) 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, 837348 + ... + 850475.

It is an arithmetic number, because the mean of its divisors is an integer number (1079082144).

Almost surely, 2^11078870172 is an apocalyptic number.

11078870172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11078870172 is an abundant number, since it is smaller than the sum of its proper divisors (14819101284).

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

11078870172 is a wasteful number, since it uses less digits than its factorization.

11078870172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688377 (or 1688375 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 42.

The spelling of 11078870172 in words is "eleven billion, seventy-eight million, eight hundred seventy thousand, one hundred seventy-two".