11890168231970 has 48 divisors (see below), whose sum is σ = 24897316353408. Its totient is φ = 4076504661600.

The previous prime is 11890168231967. The next prime is 11890168231999. The reversal of 11890168231970 is 7913286109811.

It is a happy number.

It is a super-2 number, since 2×11890168231970² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16478789 + ... + 17185191.

It is an arithmetic number, because the mean of its divisors is an integer number (518694090696).

Almost surely, 2^{11890168231970} is an apocalyptic number.

11890168231970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11890168231970 is an abundant number, since it is smaller than the sum of its proper divisors (13007148121438).

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

11890168231970 is a wasteful number, since it uses less digits than its factorization.

11890168231970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740775 (or 740768 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 56.

The spelling of 11890168231970 in words is "eleven trillion, eight hundred ninety billion, one hundred sixty-eight million, two hundred thirty-one thousand, nine hundred seventy".