11134634620381 has 2 divisors, whose sum is σ = 11134634620382. Its totient is φ = 11134634620380.

The previous prime is 11134634620379. The next prime is 11134634620429. The reversal of 11134634620381 is 18302643643111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9126646429156 + 2007988191225 = 3021034^2 + 1417035^2 .

It is a cyclic number.

It is not a de Polignac number, because 11134634620381 - 2¹ = 11134634620379 is a prime.

It is a super-2 number, since 2×11134634620381² (a number of 27 digits) contains 22 as substring.

Together with 11134634620379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11134634623381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567317310190 + 5567317310191.

It is an arithmetic number, because the mean of its divisors is an integer number (5567317310191).

Almost surely, 2^{11134634620381} is an apocalyptic number.

It is an amenable number.

11134634620381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11134634620381 is an equidigital number, since it uses as much as digits as its factorization.

11134634620381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 11134634620381 in words is "eleven trillion, one hundred thirty-four billion, six hundred thirty-four million, six hundred twenty thousand, three hundred eighty-one".