11312210032 has 20 divisors (see below), whose sum is σ = 22673180520. Its totient is φ = 5461066688.

The previous prime is 11312210029. The next prime is 11312210047. The reversal of 11312210032 is 23001221311.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11312209988 and 11312210015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12189418 + ... + 12190345.

It is an arithmetic number, because the mean of its divisors is an integer number (1133659026).

Almost surely, 2^11312210032 is an apocalyptic number.

It is an amenable number.

11312210032 is an abundant number, since it is smaller than the sum of its proper divisors (11360970488).

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

11312210032 is a wasteful number, since it uses less digits than its factorization.

11312210032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24379800 (or 24379794 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11312210032 its reverse (23001221311), we get a palindrome (34313431343).

The spelling of 11312210032 in words is "eleven billion, three hundred twelve million, two hundred ten thousand, thirty-two".