11269454856 has 128 divisors (see below), whose sum is σ = 31178649600. Its totient is φ = 3366017280.

The previous prime is 11269454843. The next prime is 11269454879. The reversal of 11269454856 is 65845496211.

11269454856 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-2 number, since 2×11269454856² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11269454799 and 11269454808.

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 31 ways as a sum of consecutive naturals, for example, 6298410 + ... + 6300198.

It is an arithmetic number, because the mean of its divisors is an integer number (243583200).

Almost surely, 2^11269454856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11269454856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15589324800).

11269454856 is an abundant number, since it is smaller than the sum of its proper divisors (19909194744).

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

11269454856 is a wasteful number, since it uses less digits than its factorization.

11269454856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2135 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The spelling of 11269454856 in words is "eleven billion, two hundred sixty-nine million, four hundred fifty-four thousand, eight hundred fifty-six".