10391230286681 has 8 divisors (see below), whose sum is σ = 11006683407720. Its totient is φ = 9776244307968.

The previous prime is 10391230286677. The next prime is 10391230286693. The reversal of 10391230286681 is 18668203219301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2490020880400 + 7901209406281 = 1577980^2 + 2810909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10391230286681 - 2² = 10391230286677 is a prime.

It is a super-2 number, since 2×10391230286681² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10391230286981) 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 in 7 ways as a sum of consecutive naturals, for example, 116739776 + ... + 116828753.

It is an arithmetic number, because the mean of its divisors is an integer number (1375835425965).

Almost surely, 2^{10391230286681} is an apocalyptic number.

It is an amenable number.

10391230286681 is a deficient number, since it is larger than the sum of its proper divisors (615453121039).

10391230286681 is a wasteful number, since it uses less digits than its factorization.

10391230286681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233571163.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 10391230286681 in words is "ten trillion, three hundred ninety-one billion, two hundred thirty million, two hundred eighty-six thousand, six hundred eighty-one".