11464140128 has 48 divisors (see below), whose sum is σ = 27311637024. Its totient is φ = 4624189440.

The previous prime is 11464140109. The next prime is 11464140131. The reversal of 11464140128 is 82104146411.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 11464140094 and 11464140103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501463 + ... + 1509078.

It is an arithmetic number, because the mean of its divisors is an integer number (568992438).

Almost surely, 2^11464140128 is an apocalyptic number.

It is an amenable number.

11464140128 is an abundant number, since it is smaller than the sum of its proper divisors (15847496896).

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

11464140128 is a wasteful number, since it uses less digits than its factorization.

11464140128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010575 (or 3010567 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

Adding to 11464140128 its reverse (82104146411), we get a palindrome (93568286539).

The spelling of 11464140128 in words is "eleven billion, four hundred sixty-four million, one hundred forty thousand, one hundred twenty-eight".