11546163026381 has 2 divisors, whose sum is σ = 11546163026382. Its totient is φ = 11546163026380.

The previous prime is 11546163026353. The next prime is 11546163026383. The reversal of 11546163026381 is 18362036164511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10459461023881 + 1086702002500 = 3234109^2 + 1042450^2 .

It is a cyclic number.

It is not a de Polignac number, because 11546163026381 - 2⁴² = 7148116515277 is a prime.

It is a super-2 number, since 2×11546163026381² (a number of 27 digits) contains 22 as substring.

Together with 11546163026383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11546163026383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5773081513190 + 5773081513191.

It is an arithmetic number, because the mean of its divisors is an integer number (5773081513191).

Almost surely, 2^{11546163026381} is an apocalyptic number.

It is an amenable number.

11546163026381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11546163026381 is an equidigital number, since it uses as much as digits as its factorization.

11546163026381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 11546163026381 in words is "eleven trillion, five hundred forty-six billion, one hundred sixty-three million, twenty-six thousand, three hundred eighty-one".