1081717087287 has 16 divisors (see below), whose sum is σ = 1457474848640. Its totient is φ = 713590666272.

The previous prime is 1081717087273. The next prime is 1081717087303. The reversal of 1081717087287 is 7827807171801.

It is not a de Polignac number, because 1081717087287 - 2⁷ = 1081717087159 is a prime.

It is a super-2 number, since 2×1081717087287² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081717087207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4717933 + ... + 4941894.

It is an arithmetic number, because the mean of its divisors is an integer number (91092178040).

Almost surely, 2^{1081717087287} is an apocalyptic number.

1081717087287 is a deficient number, since it is larger than the sum of its proper divisors (375757761353).

1081717087287 is a wasteful number, since it uses less digits than its factorization.

1081717087287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660222.

The product of its (nonzero) digits is 2458624, while the sum is 57.

The spelling of 1081717087287 in words is "one trillion, eighty-one billion, seven hundred seventeen million, eighty-seven thousand, two hundred eighty-seven".