11213603016251 has 2 divisors, whose sum is σ = 11213603016252. Its totient is φ = 11213603016250.

The previous prime is 11213603016191. The next prime is 11213603016257. The reversal of 11213603016251 is 15261030631211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11213603016251 is a prime.

It is not a weakly prime, because it can be changed into another prime (11213603016257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606801508125 + 5606801508126.

It is an arithmetic number, because the mean of its divisors is an integer number (5606801508126).

Almost surely, 2^{11213603016251} is an apocalyptic number.

11213603016251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213603016251 is an equidigital number, since it uses as much as digits as its factorization.

11213603016251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 11213603016251 its reverse (15261030631211), we get a palindrome (26474633647462).

The spelling of 11213603016251 in words is "eleven trillion, two hundred thirteen billion, six hundred three million, sixteen thousand, two hundred fifty-one".