11213412516 has 36 divisors (see below), whose sum is σ = 28463635200. Its totient is φ = 3722161968.

The previous prime is 11213412493. The next prime is 11213412521. The reversal of 11213412516 is 61521431211.

11213412516 is a `hidden beast` number, since 1 + 1 + 2 + 134 + 12 + 516 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11213412516.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643036 + ... + 660243.

Almost surely, 2^11213412516 is an apocalyptic number.

It is an amenable number.

11213412516 is an abundant number, since it is smaller than the sum of its proper divisors (17250222684).

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

11213412516 is a wasteful number, since it uses less digits than its factorization.

11213412516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303528 (or 1303523 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

Adding to 11213412516 its reverse (61521431211), we get a palindrome (72734843727).

The spelling of 11213412516 in words is "eleven billion, two hundred thirteen million, four hundred twelve thousand, five hundred sixteen".