11171544411 has 8 divisors (see below), whose sum is σ = 14907677200. Its totient is φ = 7441553952.

The previous prime is 11171544409. The next prime is 11171544427. The reversal of 11171544411 is 11444517111.

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

It is not a de Polignac number, because 11171544411 - 2¹ = 11171544409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11171544211) 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, 1531336 + ... + 1538613.

It is an arithmetic number, because the mean of its divisors is an integer number (1863459650).

Almost surely, 2^11171544411 is an apocalyptic number.

11171544411 is a deficient number, since it is larger than the sum of its proper divisors (3736132789).

11171544411 is a wasteful number, since it uses less digits than its factorization.

11171544411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071165.

The product of its digits is 2240, while the sum is 30.

The spelling of 11171544411 in words is "eleven billion, one hundred seventy-one million, five hundred forty-four thousand, four hundred eleven".