11115001164 has 12 divisors (see below), whose sum is σ = 25935002744. Its totient is φ = 3705000384.

The previous prime is 11115001151. The next prime is 11115001171. The reversal of 11115001164 is 46110051111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11115001164.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463125037 + ... + 463125060.

Almost surely, 2^11115001164 is an apocalyptic number.

It is an amenable number.

11115001164 is an abundant number, since it is smaller than the sum of its proper divisors (14820001580).

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

11115001164 is a wasteful number, since it uses less digits than its factorization.

11115001164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926250104 (or 926250102 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 11115001164 its reverse (46110051111), we get a palindrome (57225052275).

The spelling of 11115001164 in words is "eleven billion, one hundred fifteen million, one thousand, one hundred sixty-four".