1071631282187 has 2 divisors, whose sum is σ = 1071631282188. Its totient is φ = 1071631282186.

The previous prime is 1071631282171. The next prime is 1071631282217. The reversal of 1071631282187 is 7812821361701.

It is a weak prime.

It is an emirp because it is prime and its reverse (7812821361701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1071631282187 - 2⁴ = 1071631282171 is a prime.

It is a super-2 number, since 2×1071631282187² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071631282487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535815641093 + 535815641094.

It is an arithmetic number, because the mean of its divisors is an integer number (535815641094).

Almost surely, 2^{1071631282187} is an apocalyptic number.

1071631282187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071631282187 is an equidigital number, since it uses as much as digits as its factorization.

1071631282187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 1071631282187 in words is "one trillion, seventy-one billion, six hundred thirty-one million, two hundred eighty-two thousand, one hundred eighty-seven".