11141554215 has 32 divisors (see below), whose sum is σ = 19860857856. Its totient is φ = 5287026560.

The previous prime is 11141554213. The next prime is 11141554243. The reversal of 11141554215 is 51245514111.

It is not a de Polignac number, because 11141554215 - 2¹ = 11141554213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11141554211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710592 + ... + 726101.

It is an arithmetic number, because the mean of its divisors is an integer number (620651808).

Almost surely, 2^11141554215 is an apocalyptic number.

11141554215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11141554215 is a deficient number, since it is larger than the sum of its proper divisors (8719303641).

11141554215 is a wasteful number, since it uses less digits than its factorization.

11141554215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436759.

The product of its digits is 4000, while the sum is 30.

The spelling of 11141554215 in words is "eleven billion, one hundred forty-one million, five hundred fifty-four thousand, two hundred fifteen".