1165401565222 has 32 divisors (see below), whose sum is σ = 1776733469280. Its totient is φ = 573238149120.

The previous prime is 1165401565193. The next prime is 1165401565241. The reversal of 1165401565222 is 2225651045611.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25551654 + ... + 25597222.

It is an arithmetic number, because the mean of its divisors is an integer number (55522920915).

Almost surely, 2^{1165401565222} is an apocalyptic number.

1165401565222 is a deficient number, since it is larger than the sum of its proper divisors (611331904058).

1165401565222 is a wasteful number, since it uses less digits than its factorization.

1165401565222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46456.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 1165401565222 in words is "one trillion, one hundred sixty-five billion, four hundred one million, five hundred sixty-five thousand, two hundred twenty-two".