11011001312 has 24 divisors (see below), whose sum is σ = 21681245376. Its totient is φ = 5504653312.

The previous prime is 11011001311. The next prime is 11011001317. The reversal of 11011001312 is 21310011011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11011001293 and 11011001302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011001311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219968 + ... + 265344.

It is an arithmetic number, because the mean of its divisors is an integer number (903385224).

Almost surely, 2^11011001312 is an apocalyptic number.

It is an amenable number.

11011001312 is a deficient number, since it is larger than the sum of its proper divisors (10670244064).

11011001312 is an equidigital number, since it uses as much as digits as its factorization.

11011001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52970 (or 52962 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11011001312 its reverse (21310011011), we get a palindrome (32321012323).

The spelling of 11011001312 in words is "eleven billion, eleven million, one thousand, three hundred twelve".