1011050005687 has 2 divisors, whose sum is σ = 1011050005688. Its totient is φ = 1011050005686.

The previous prime is 1011050005531. The next prime is 1011050005711. The reversal of 1011050005687 is 7865000501101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011050005687 is a prime.

It is a super-3 number, since 3×1011050005687³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011050005187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505525002843 + 505525002844.

It is an arithmetic number, because the mean of its divisors is an integer number (505525002844).

Almost surely, 2^{1011050005687} is an apocalyptic number.

1011050005687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011050005687 is an equidigital number, since it uses as much as digits as its factorization.

1011050005687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 34.

Adding to 1011050005687 its reverse (7865000501101), we get a palindrome (8876050506788).

The spelling of 1011050005687 in words is "one trillion, eleven billion, fifty million, five thousand, six hundred eighty-seven".