1071081757826 has 16 divisors (see below), whose sum is σ = 1660045470720. Its totient is φ = 517766523840.

The previous prime is 1071081757813. The next prime is 1071081757853. The reversal of 1071081757826 is 6287571801701.

It is a super-2 number, since 2×1071081757826² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8249111 + ... + 8377946.

It is an arithmetic number, because the mean of its divisors is an integer number (103752841920).

Almost surely, 2^{1071081757826} is an apocalyptic number.

1071081757826 is a deficient number, since it is larger than the sum of its proper divisors (588963712894).

1071081757826 is a wasteful number, since it uses less digits than its factorization.

1071081757826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16628129.

The product of its (nonzero) digits is 1317120, while the sum is 53.

The spelling of 1071081757826 in words is "one trillion, seventy-one billion, eighty-one million, seven hundred fifty-seven thousand, eight hundred twenty-six".