1071886193129 has 2 divisors, whose sum is σ = 1071886193130. Its totient is φ = 1071886193128.

The previous prime is 1071886193123. The next prime is 1071886193149. The reversal of 1071886193129 is 9213916881701.

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., 971460583129 + 100425610000 = 985627^2 + 316900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071886193129 - 2²⁸ = 1071617757673 is a prime.

It is a super-2 number, since 2×1071886193129² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071886193123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535943096564 + 535943096565.

It is an arithmetic number, because the mean of its divisors is an integer number (535943096565).

Almost surely, 2^{1071886193129} is an apocalyptic number.

It is an amenable number.

1071886193129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071886193129 is an equidigital number, since it uses as much as digits as its factorization.

1071886193129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 56.

The spelling of 1071886193129 in words is "one trillion, seventy-one billion, eight hundred eighty-six million, one hundred ninety-three thousand, one hundred twenty-nine".