10071026781 has 16 divisors (see below), whose sum is σ = 13826467200. Its totient is φ = 6515736768.

The previous prime is 10071026773. The next prime is 10071026789. The reversal of 10071026781 is 18762017001.

10071026781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10071026773) and next prime (10071026789).

It is not a de Polignac number, because 10071026781 - 2³ = 10071026773 is a prime.

It is a super-2 number, since 2×10071026781² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10071026789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73441 + ... + 159798.

It is an arithmetic number, because the mean of its divisors is an integer number (864154200).

Almost surely, 2^10071026781 is an apocalyptic number.

It is an amenable number.

10071026781 is a deficient number, since it is larger than the sum of its proper divisors (3755440419).

10071026781 is a wasteful number, since it uses less digits than its factorization.

10071026781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233668.

The product of its (nonzero) digits is 4704, while the sum is 33.

The spelling of 10071026781 in words is "ten billion, seventy-one million, twenty-six thousand, seven hundred eighty-one".