11415064728 has 32 divisors (see below), whose sum is σ = 28605472560. Its totient is φ = 3795980160.

The previous prime is 11415064721. The next prime is 11415064729. The reversal of 11415064728 is 82746051411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415064721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554775 + ... + 574982.

Almost surely, 2^11415064728 is an apocalyptic number.

It is an amenable number.

11415064728 is an abundant number, since it is smaller than the sum of its proper divisors (17190407832).

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

11415064728 is a wasteful number, since it uses less digits than its factorization.

11415064728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130187 (or 1130183 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 11415064728 in words is "eleven billion, four hundred fifteen million, sixty-four thousand, seven hundred twenty-eight".