11612021346 has 12 divisors (see below), whose sum is σ = 25159379622. Its totient is φ = 3870673776.

The previous prime is 11612021299. The next prime is 11612021357. The reversal of 11612021346 is 64312021611.

It is a happy number.

11612021346 is a `hidden beast` number, since 1 + 1 + 612 + 0 + 2 + 1 + 3 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9601844121 + 2010177225 = 97989^2 + 44835^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 322556131 + ... + 322556166.

Almost surely, 2^11612021346 is an apocalyptic number.

11612021346 is an abundant number, since it is smaller than the sum of its proper divisors (13547358276).

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

11612021346 is a wasteful number, since it uses less digits than its factorization.

11612021346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645112305 (or 645112302 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 11612021346 its reverse (64312021611), we get a palindrome (75924042957).

The spelling of 11612021346 in words is "eleven billion, six hundred twelve million, twenty-one thousand, three hundred forty-six".