11441553215 has 4 divisors (see below), whose sum is σ = 13729863864. Its totient is φ = 9153242568.

The previous prime is 11441553203. The next prime is 11441553257. The reversal of 11441553215 is 51235514411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51235514411 = 457 ⋅112112723.

It is a cyclic number.

It is not a de Polignac number, because 11441553215 - 2⁴ = 11441553199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144155317 + ... + 1144155326.

It is an arithmetic number, because the mean of its divisors is an integer number (3432465966).

Almost surely, 2^11441553215 is an apocalyptic number.

11441553215 is a deficient number, since it is larger than the sum of its proper divisors (2288310649).

11441553215 is an equidigital number, since it uses as much as digits as its factorization.

11441553215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288310648.

The product of its digits is 12000, while the sum is 32.

The spelling of 11441553215 in words is "eleven billion, four hundred forty-one million, five hundred fifty-three thousand, two hundred fifteen".