11103015012 has 24 divisors (see below), whose sum is σ = 25985313312. Its totient is φ = 3689822400.

The previous prime is 11103014983. The next prime is 11103015017. The reversal of 11103015012 is 21051030111.

It is a junction number, because it is equal to n+sod(n) for n = 11103014982 and 11103015000.

It is not an unprimeable number, because it can be changed into a prime (11103015017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393689 + ... + 1401632.

It is an arithmetic number, because the mean of its divisors is an integer number (1082721388).

Almost surely, 2^11103015012 is an apocalyptic number.

11103015012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11103015012 is an abundant number, since it is smaller than the sum of its proper divisors (14882298300).

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

11103015012 is a wasteful number, since it uses less digits than its factorization.

11103015012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795659 (or 2795657 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

Adding to 11103015012 its reverse (21051030111), we get a palindrome (32154045123).

The spelling of 11103015012 in words is "eleven billion, one hundred three million, fifteen thousand, twelve".