11145056511 has 8 divisors (see below), whose sum is σ = 15063638320. Its totient is φ = 7328256192.

The previous prime is 11145056431. The next prime is 11145056521. The reversal of 11145056511 is 11565054111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11145056511 - 2⁷ = 11145056383 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 (11145056521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25445116 + ... + 25445553.

It is an arithmetic number, because the mean of its divisors is an integer number (1882954790).

Almost surely, 2^11145056511 is an apocalyptic number.

11145056511 is a deficient number, since it is larger than the sum of its proper divisors (3918581809).

11145056511 is an equidigital number, since it uses as much as digits as its factorization.

11145056511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50890745.

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 11145056511 in words is "eleven billion, one hundred forty-five million, fifty-six thousand, five hundred eleven".