13505581882 has 32 divisors (see below), whose sum is σ = 22549508352. Its totient is φ = 6027173184.

The previous prime is 13505581877. The next prime is 13505581897. The reversal of 13505581882 is 28818550531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34848 + ... + 168004.

It is an arithmetic number, because the mean of its divisors is an integer number (704672136).

Almost surely, 2^13505581882 is an apocalyptic number.

13505581882 is a deficient number, since it is larger than the sum of its proper divisors (9043926470).

13505581882 is a wasteful number, since it uses less digits than its factorization.

13505581882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133302.

The product of its (nonzero) digits is 384000, while the sum is 46.

The spelling of 13505581882 in words is "thirteen billion, five hundred five million, five hundred eighty-one thousand, eight hundred eighty-two".