11312002206 has 24 divisors (see below), whose sum is σ = 25030815264. Its totient is φ = 3690440160.

The previous prime is 11312002201. The next prime is 11312002237. The reversal of 11312002206 is 60220021311.

It is a super-2 number, since 2×11312002206² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312002201) 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 11 ways as a sum of consecutive naturals, for example, 6684735 + ... + 6686426.

It is an arithmetic number, because the mean of its divisors is an integer number (1042950636).

Almost surely, 2^11312002206 is an apocalyptic number.

11312002206 is an abundant number, since it is smaller than the sum of its proper divisors (13718813058).

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

11312002206 is a wasteful number, since it uses less digits than its factorization.

11312002206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13371216 (or 13371213 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11312002206 its reverse (60220021311), we get a palindrome (71532023517).

The spelling of 11312002206 in words is "eleven billion, three hundred twelve million, two thousand, two hundred six".