11423666215 has 16 divisors (see below), whose sum is σ = 14776368768. Its totient is φ = 8428237056.

The previous prime is 11423666213. The next prime is 11423666279. The reversal of 11423666215 is 51266632411.

It is a cyclic number.

It is not a de Polignac number, because 11423666215 - 2¹ = 11423666213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423666213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7974 + ... + 151363.

It is an arithmetic number, because the mean of its divisors is an integer number (923523048).

Almost surely, 2^11423666215 is an apocalyptic number.

11423666215 is a deficient number, since it is larger than the sum of its proper divisors (3352702553).

11423666215 is a wasteful number, since it uses less digits than its factorization.

11423666215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160458.

The product of its digits is 51840, while the sum is 37.

The spelling of 11423666215 in words is "eleven billion, four hundred twenty-three million, six hundred sixty-six thousand, two hundred fifteen".