1138451556113 has 2 divisors, whose sum is σ = 1138451556114. Its totient is φ = 1138451556112.

The previous prime is 1138451556103. The next prime is 1138451556139. The reversal of 1138451556113 is 3116551548311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940576047889 + 197875508224 = 969833^2 + 444832^2 .

It is an emirp because it is prime and its reverse (3116551548311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1138451556113 - 2⁶ = 1138451556049 is a prime.

It is a super-2 number, since 2×1138451556113² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1138451556103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569225778056 + 569225778057.

It is an arithmetic number, because the mean of its divisors is an integer number (569225778057).

Almost surely, 2^{1138451556113} is an apocalyptic number.

It is an amenable number.

1138451556113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138451556113 is an equidigital number, since it uses as much as digits as its factorization.

1138451556113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 44.

The spelling of 1138451556113 in words is "one trillion, one hundred thirty-eight billion, four hundred fifty-one million, five hundred fifty-six thousand, one hundred thirteen".