11513019801211 has 2 divisors, whose sum is σ = 11513019801212. Its totient is φ = 11513019801210.

The previous prime is 11513019801209. The next prime is 11513019801223. The reversal of 11513019801211 is 11210891031511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11513019801211 - 2¹ = 11513019801209 is a prime.

Together with 11513019801209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11513019801251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756509900605 + 5756509900606.

It is an arithmetic number, because the mean of its divisors is an integer number (5756509900606).

Almost surely, 2^{11513019801211} is an apocalyptic number.

11513019801211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11513019801211 is an equidigital number, since it uses as much as digits as its factorization.

11513019801211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 34.

The spelling of 11513019801211 in words is "eleven trillion, five hundred thirteen billion, nineteen million, eight hundred one thousand, two hundred eleven".