11312065406 has 4 divisors (see below), whose sum is σ = 16968098112. Its totient is φ = 5656032702.

The previous prime is 11312065363. The next prime is 11312065417. The reversal of 11312065406 is 60456021311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828016350 + ... + 2828016353.

It is an arithmetic number, because the mean of its divisors is an integer number (4242024528).

Almost surely, 2^11312065406 is an apocalyptic number.

11312065406 is a deficient number, since it is larger than the sum of its proper divisors (5656032706).

11312065406 is an equidigital number, since it uses as much as digits as its factorization.

11312065406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656032705.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 11312065406 its reverse (60456021311), we get a palindrome (71768086717).

The spelling of 11312065406 in words is "eleven billion, three hundred twelve million, sixty-five thousand, four hundred six".