11564353346 has 16 divisors (see below), whose sum is σ = 21349575744. Its totient is φ = 4574908944.

The previous prime is 11564353331. The next prime is 11564353349. The reversal of 11564353346 is 64335346511.

It is a super-2 number, since 2×11564353346² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11564353349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31770020 + ... + 31770383.

It is an arithmetic number, because the mean of its divisors is an integer number (1334348484).

Almost surely, 2^11564353346 is an apocalyptic number.

11564353346 is a deficient number, since it is larger than the sum of its proper divisors (9785222398).

11564353346 is a wasteful number, since it uses less digits than its factorization.

11564353346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63540425.

The product of its digits is 388800, while the sum is 41.

Adding to 11564353346 its reverse (64335346511), we get a palindrome (75899699857).

The spelling of 11564353346 in words is "eleven billion, five hundred sixty-four million, three hundred fifty-three thousand, three hundred forty-six".