11886120390 has 16 divisors (see below), whose sum is σ = 28526689008. Its totient is φ = 3169632096.

The previous prime is 11886120317. The next prime is 11886120403. The reversal of 11886120390 is 9302168811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198101977 + ... + 198102036.

It is an arithmetic number, because the mean of its divisors is an integer number (1782918063).

Almost surely, 2^11886120390 is an apocalyptic number.

11886120390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11886120390 is an abundant number, since it is smaller than the sum of its proper divisors (16640568618).

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

11886120390 is a wasteful number, since it uses less digits than its factorization.

11886120390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396204023.

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 11886120390 in words is "eleven billion, eight hundred eighty-six million, one hundred twenty thousand, three hundred ninety".