13520874471 has 32 divisors (see below), whose sum is σ = 20112691200. Its totient is φ = 8023276800.

The previous prime is 13520874457. The next prime is 13520874473. The reversal of 13520874471 is 17447802531.

It is not a de Polignac number, because 13520874471 - 2¹⁰ = 13520873447 is a prime.

It is a super-3 number, since 3×13520874471³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520874473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319830 + ... + 359628.

It is an arithmetic number, because the mean of its divisors is an integer number (628521600).

Almost surely, 2^13520874471 is an apocalyptic number.

13520874471 is a deficient number, since it is larger than the sum of its proper divisors (6591816729).

13520874471 is a wasteful number, since it uses less digits than its factorization.

13520874471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40127.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 13520874471 in words is "thirteen billion, five hundred twenty million, eight hundred seventy-four thousand, four hundred seventy-one".