11420323015 has 16 divisors (see below), whose sum is σ = 13759228800. Its totient is φ = 9099747072.

The previous prime is 11420323007. The next prime is 11420323049. The reversal of 11420323015 is 51032302411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11420323015 - 2³ = 11420323007 is a prime.

It is a zygodrome in base 13.

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, 2797746 + ... + 2801824.

It is an arithmetic number, because the mean of its divisors is an integer number (859951800).

Almost surely, 2^11420323015 is an apocalyptic number.

11420323015 is a deficient number, since it is larger than the sum of its proper divisors (2338905785).

11420323015 is a wasteful number, since it uses less digits than its factorization.

11420323015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 11420323015 its reverse (51032302411), we get a palindrome (62452625426).

The spelling of 11420323015 in words is "eleven billion, four hundred twenty million, three hundred twenty-three thousand, fifteen".