11671540573374 has 48 divisors (see below), whose sum is σ = 27590486217840. Its totient is φ = 3536419130880.

The previous prime is 11671540573373. The next prime is 11671540573393. The reversal of 11671540573374 is 47337504517611.

11671540573374 is a `hidden beast` number, since 1 + 1 + 67 + 1 + 5 + 4 + 0 + 573 + 3 + 7 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11671540573374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671540573373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1718997 + ... + 5128160.

It is an arithmetic number, because the mean of its divisors is an integer number (574801796205).

Almost surely, 2^{11671540573374} is an apocalyptic number.

11671540573374 is an abundant number, since it is smaller than the sum of its proper divisors (15918945644466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11671540573374 is a wasteful number, since it uses less digits than its factorization.

11671540573374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855785 (or 6855782 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 54.

It can be divided in two parts, 11671 and 540573374, that added together give a palindrome (540585045).

The spelling of 11671540573374 in words is "eleven trillion, six hundred seventy-one billion, five hundred forty million, five hundred seventy-three thousand, three hundred seventy-four".