1113050450381 has 2 divisors, whose sum is σ = 1113050450382. Its totient is φ = 1113050450380.

The previous prime is 1113050450333. The next prime is 1113050450417. The reversal of 1113050450381 is 1830540503111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1103688920356 + 9361530025 = 1050566^2 + 96755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113050450381 is a prime.

It is a super-2 number, since 2×1113050450381² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is a weakly prime.

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, 556525225190 + 556525225191.

It is an arithmetic number, because the mean of its divisors is an integer number (556525225191).

Almost surely, 2^{1113050450381} is an apocalyptic number.

It is an amenable number.

1113050450381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113050450381 is an equidigital number, since it uses as much as digits as its factorization.

1113050450381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 1113050450381 its reverse (1830540503111), we get a palindrome (2943590953492).

The spelling of 1113050450381 in words is "one trillion, one hundred thirteen billion, fifty million, four hundred fifty thousand, three hundred eighty-one".