11161386390 has 128 divisors (see below), whose sum is σ = 33485736960. Its totient is φ = 2313100800.

The previous prime is 11161386389. The next prime is 11161386421. The reversal of 11161386390 is 9368316111.

It is a happy number.

11161386390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11161386390³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 892380 + ... + 904800.

It is an arithmetic number, because the mean of its divisors is an integer number (261607320).

Almost surely, 2^11161386390 is an apocalyptic number.

11161386390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11161386390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16742868480).

11161386390 is an abundant number, since it is smaller than the sum of its proper divisors (22324350570).

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

11161386390 is a wasteful number, since it uses less digits than its factorization.

11161386390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 11161386390 in words is "eleven billion, one hundred sixty-one million, three hundred eighty-six thousand, three hundred ninety".