13505161722 has 16 divisors (see below), whose sum is σ = 29088040800. Its totient is φ = 4155434352.

The previous prime is 13505161721. The next prime is 13505161759. The reversal of 13505161722 is 22716150531.

It is not an unprimeable number, because it can be changed into a prime (13505161721) 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 7 ways as a sum of consecutive naturals, for example, 86571472 + ... + 86571627.

It is an arithmetic number, because the mean of its divisors is an integer number (1818002550).

Almost surely, 2^13505161722 is an apocalyptic number.

13505161722 is an abundant number, since it is smaller than the sum of its proper divisors (15582879078).

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

13505161722 is a wasteful number, since it uses less digits than its factorization.

13505161722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173143117.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 13505161722 in words is "thirteen billion, five hundred five million, one hundred sixty-one thousand, seven hundred twenty-two".