10381107681 has 48 divisors (see below), whose sum is σ = 18204810624. Its totient is φ = 5564754432.

The previous prime is 10381107637. The next prime is 10381107697. The reversal of 10381107681 is 18670118301.

It is a happy number.

It is not a de Polignac number, because 10381107681 - 2⁹ = 10381107169 is a prime.

It is a super-2 number, since 2×10381107681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10381107181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313011 + ... + 344583.

It is an arithmetic number, because the mean of its divisors is an integer number (379266888).

Almost surely, 2^10381107681 is an apocalyptic number.

It is an amenable number.

10381107681 is a deficient number, since it is larger than the sum of its proper divisors (7823702943).

10381107681 is a wasteful number, since it uses less digits than its factorization.

10381107681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31910 (or 31907 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 10381107681 in words is "ten billion, three hundred eighty-one million, one hundred seven thousand, six hundred eighty-one".