11423541215 has 16 divisors (see below), whose sum is σ = 14326599168. Its totient is φ = 8727841056.

The previous prime is 11423541197. The next prime is 11423541263. The reversal of 11423541215 is 51214532411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11423541215 - 2³⁰ = 10349799391 is a prime.

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, 3299 + ... + 151188.

It is an arithmetic number, because the mean of its divisors is an integer number (895412448).

Almost surely, 2^11423541215 is an apocalyptic number.

11423541215 is a deficient number, since it is larger than the sum of its proper divisors (2903057953).

11423541215 is a wasteful number, since it uses less digits than its factorization.

11423541215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155158.

The product of its digits is 4800, while the sum is 29.

The spelling of 11423541215 in words is "eleven billion, four hundred twenty-three million, five hundred forty-one thousand, two hundred fifteen".