11415327464 has 64 divisors (see below), whose sum is σ = 21954240000. Its totient is φ = 5563284480.

The previous prime is 11415327437. The next prime is 11415327479. The reversal of 11415327464 is 46472351411.

It is a super-2 number, since 2×11415327464² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22694237 + ... + 22694739.

It is an arithmetic number, because the mean of its divisors is an integer number (343035000).

Almost surely, 2^11415327464 is an apocalyptic number.

It is an amenable number.

11415327464 is a deficient number, since it is larger than the sum of its proper divisors (10538912536).

11415327464 is a wasteful number, since it uses less digits than its factorization.

11415327464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 974 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

Adding to 11415327464 its reverse (46472351411), we get a palindrome (57887678875).

The spelling of 11415327464 in words is "eleven billion, four hundred fifteen million, three hundred twenty-seven thousand, four hundred sixty-four".