11212604513 has 6 divisors (see below), whose sum is σ = 12324598482. Its totient is φ = 10193276720.

The previous prime is 11212604453. The next prime is 11212604527. The reversal of 11212604513 is 31540621211.

It can be written as a sum of positive squares in only one way, i.e., 6983443489 + 4229161024 = 83567^2 + 65032^2 .

It is not a de Polignac number, because 11212604513 - 2¹⁰ = 11212603489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212604563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46332956 + ... + 46333197.

It is an arithmetic number, because the mean of its divisors is an integer number (2054099747).

Almost surely, 2^11212604513 is an apocalyptic number.

It is an amenable number.

11212604513 is a deficient number, since it is larger than the sum of its proper divisors (1111993969).

11212604513 is an equidigital number, since it uses as much as digits as its factorization.

11212604513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92666175 (or 92666164 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 11212604513 in words is "eleven billion, two hundred twelve million, six hundred four thousand, five hundred thirteen".