13861138048 has 32 divisors (see below), whose sum is σ = 28814600160. Its totient is φ = 6629238528.

The previous prime is 13861137991. The next prime is 13861138051. The reversal of 13861138048 is 84083116831.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×13861138048² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13861137995 and 13861138013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2351190 + ... + 2357077.

It is an arithmetic number, because the mean of its divisors is an integer number (900456255).

Almost surely, 2^13861138048 is an apocalyptic number.

It is an amenable number.

13861138048 is an abundant number, since it is smaller than the sum of its proper divisors (14953462112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13861138048 is an equidigital number, since it uses as much as digits as its factorization.

13861138048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708304 (or 4708292 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 13861138048 in words is "thirteen billion, eight hundred sixty-one million, one hundred thirty-eight thousand, forty-eight".