11265173440 has 28 divisors (see below), whose sum is σ = 26825195016. Its totient is φ = 4506069248.

The previous prime is 11265173399. The next prime is 11265173467. The reversal of 11265173440 is 4437156211.

It is a junction number, because it is equal to n+sod(n) for n = 11265173396 and 11265173405.

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 3 ways as a sum of consecutive naturals, for example, 17601514 + ... + 17602153.

Almost surely, 2^11265173440 is an apocalyptic number.

11265173440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11265173440 is an abundant number, since it is smaller than the sum of its proper divisors (15560021576).

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

11265173440 is an equidigital number, since it uses as much as digits as its factorization.

11265173440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35203684 (or 35203674 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 11265173440 in words is "eleven billion, two hundred sixty-five million, one hundred seventy-three thousand, four hundred forty".