10518938643886 has 8 divisors (see below), whose sum is σ = 15791372971920. Its totient is φ = 5255147653248.

The previous prime is 10518938643853. The next prime is 10518938643943. The reversal of 10518938643886 is 68834683981501.

10518938643886 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 a super-2 number, since 2×10518938643886² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2160831306 + ... + 2160836173.

It is an arithmetic number, because the mean of its divisors is an integer number (1973921621490).

Almost surely, 2^{10518938643886} is an apocalyptic number.

10518938643886 is a deficient number, since it is larger than the sum of its proper divisors (5272434328034).

10518938643886 is a wasteful number, since it uses less digits than its factorization.

10518938643886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321668698.

The product of its (nonzero) digits is 238878720, while the sum is 70.

The spelling of 10518938643886 in words is "ten trillion, five hundred eighteen billion, nine hundred thirty-eight million, six hundred forty-three thousand, eight hundred eighty-six".