11865401464 has 32 divisors (see below), whose sum is σ = 26921501280. Its totient is φ = 4786043904.

The previous prime is 11865401459. The next prime is 11865401491. The reversal of 11865401464 is 46410456811.

11865401464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6230877 + ... + 6232780.

It is an arithmetic number, because the mean of its divisors is an integer number (841296915).

Almost surely, 2^11865401464 is an apocalyptic number.

11865401464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11865401464 is an abundant number, since it is smaller than the sum of its proper divisors (15056099816).

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

11865401464 is a wasteful number, since it uses less digits than its factorization.

11865401464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12463687 (or 12463683 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 11865401464 in words is "eleven billion, eight hundred sixty-five million, four hundred one thousand, four hundred sixty-four".