1081710357681 has 16 divisors (see below), whose sum is σ = 1468121713920. Its totient is φ = 708242883600.

The previous prime is 1081710357661. The next prime is 1081710357709. The reversal of 1081710357681 is 1867530171801.

It is not a de Polignac number, because 1081710357681 - 2¹⁵ = 1081710324913 is a prime.

It is a super-2 number, since 2×1081710357681² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1081710357681.

It is not an unprimeable number, because it can be changed into a prime (1081710357661) 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, 2721375 + ... + 3093428.

It is an arithmetic number, because the mean of its divisors is an integer number (91757607120).

Almost surely, 2^{1081710357681} is an apocalyptic number.

It is an amenable number.

1081710357681 is a deficient number, since it is larger than the sum of its proper divisors (386411356239).

1081710357681 is a wasteful number, since it uses less digits than its factorization.

1081710357681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815916.

The product of its (nonzero) digits is 282240, while the sum is 48.

The spelling of 1081710357681 in words is "one trillion, eighty-one billion, seven hundred ten million, three hundred fifty-seven thousand, six hundred eighty-one".