11155101312 has 32 divisors (see below), whose sum is σ = 29630738880. Its totient is φ = 3718366976.

The previous prime is 11155101301. The next prime is 11155101337. The reversal of 11155101312 is 21310155111.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14524488 + ... + 14525255.

It is an arithmetic number, because the mean of its divisors is an integer number (925960590).

Almost surely, 2^11155101312 is an apocalyptic number.

11155101312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11155101312 is an abundant number, since it is smaller than the sum of its proper divisors (18475637568).

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

11155101312 is an equidigital number, since it uses as much as digits as its factorization.

11155101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29049760 (or 29049748 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 11155101312 its reverse (21310155111), we get a palindrome (32465256423).

The spelling of 11155101312 in words is "eleven billion, one hundred fifty-five million, one hundred one thousand, three hundred twelve".