11161268910 has 128 divisors (see below), whose sum is σ = 34379251200. Its totient is φ = 2546588160.

The previous prime is 11161268849. The next prime is 11161268953. The reversal of 11161268910 is 1986216111.

It is a happy number.

11161268910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 60040 + ... + 161019.

It is an arithmetic number, because the mean of its divisors is an integer number (268587900).

Almost surely, 2^11161268910 is an apocalyptic number.

11161268910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11161268910 is an abundant number, since it is smaller than the sum of its proper divisors (23217982290).

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

11161268910 is a wasteful number, since it uses less digits than its factorization.

11161268910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221103 (or 221097 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 11161268910 in words is "eleven billion, one hundred sixty-one million, two hundred sixty-eight thousand, nine hundred ten".