11471374775 has 48 divisors (see below), whose sum is σ = 17052432384. Its totient is φ = 7484590080.

The previous prime is 11471374771. The next prime is 11471374777. The reversal of 11471374775 is 57747317411.

It is not a de Polignac number, because 11471374775 - 2² = 11471374771 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 (11471374771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 769442 + ... + 784208.

It is an arithmetic number, because the mean of its divisors is an integer number (355259008).

Almost surely, 2^11471374775 is an apocalyptic number.

11471374775 is a deficient number, since it is larger than the sum of its proper divisors (5581057609).

11471374775 is a wasteful number, since it uses less digits than its factorization.

11471374775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000 (or 14995 counting only the distinct ones).

The product of its digits is 576240, while the sum is 47.

The spelling of 11471374775 in words is "eleven billion, four hundred seventy-one million, three hundred seventy-four thousand, seven hundred seventy-five".