10638511385 has 8 divisors (see below), whose sum is σ = 12767433216. Its totient is φ = 8509996080.

The previous prime is 10638511381. The next prime is 10638511391. The reversal of 10638511385 is 58311583601.

10638511385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10638511385 - 2² = 10638511381 is a prime.

It is a super-2 number, since 2×10638511385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10638511381) 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 7 ways as a sum of consecutive naturals, for example, 40739 + ... + 151448.

It is an arithmetic number, because the mean of its divisors is an integer number (1595929152).

Almost surely, 2^10638511385 is an apocalyptic number.

It is an amenable number.

10638511385 is a deficient number, since it is larger than the sum of its proper divisors (2128921831).

10638511385 is a wasteful number, since it uses less digits than its factorization.

10638511385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203263.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 10638511385 in words is "ten billion, six hundred thirty-eight million, five hundred eleven thousand, three hundred eighty-five".