11164020015 has 16 divisors (see below), whose sum is σ = 17878652928. Its totient is φ = 5948737056.

The previous prime is 11164020001. The next prime is 11164020031. The reversal of 11164020015 is 51002046111.

It is not a de Polignac number, because 11164020015 - 2⁵ = 11164019983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11164019973 and 11164020000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320839 + ... + 353928.

It is an arithmetic number, because the mean of its divisors is an integer number (1117415808).

Almost surely, 2^11164020015 is an apocalyptic number.

11164020015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11164020015 is a deficient number, since it is larger than the sum of its proper divisors (6714632913).

11164020015 is a wasteful number, since it uses less digits than its factorization.

11164020015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675878.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11164020015 its reverse (51002046111), we get a palindrome (62166066126).

The spelling of 11164020015 in words is "eleven billion, one hundred sixty-four million, twenty thousand, fifteen".