11912162870 has 16 divisors (see below), whose sum is σ = 21846458160. Its totient is φ = 4674961824.

The previous prime is 11912162869. The next prime is 11912162887. The reversal of 11912162870 is 7826121911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11237360 + ... + 11238419.

It is an arithmetic number, because the mean of its divisors is an integer number (1365403635).

Almost surely, 2^11912162870 is an apocalyptic number.

11912162870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11912162870 is a deficient number, since it is larger than the sum of its proper divisors (9934295290).

11912162870 is a wasteful number, since it uses less digits than its factorization.

11912162870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22475839.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 11912162870 in words is "eleven billion, nine hundred twelve million, one hundred sixty-two thousand, eight hundred seventy".