11264534540 has 36 divisors (see below), whose sum is σ = 27517651056. Its totient is φ = 3862125792.

The previous prime is 11264534531. The next prime is 11264534549. The reversal of 11264534540 is 4543546211.

It is an interprime number because it is at equal distance from previous prime (11264534531) and next prime (11264534549).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 11264534540.

It is not an unprimeable number, because it can be changed into a prime (11264534549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5746232 + ... + 5748191.

It is an arithmetic number, because the mean of its divisors is an integer number (764379196).

Almost surely, 2^11264534540 is an apocalyptic number.

11264534540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11264534540 is an abundant number, since it is smaller than the sum of its proper divisors (16253116516).

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

11264534540 is a wasteful number, since it uses less digits than its factorization.

11264534540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494446 (or 11494437 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 11264534540 in words is "eleven billion, two hundred sixty-four million, five hundred thirty-four thousand, five hundred forty".