13858140511 has 4 divisors (see below), whose sum is σ = 13897849000. Its totient is φ = 13818432024.

The previous prime is 13858140463. The next prime is 13858140539. The reversal of 13858140511 is 11504185831.

13858140511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11504185831 = 73369 ⋅156799.

It is a cyclic number.

It is not a de Polignac number, because 13858140511 - 2²¹ = 13856043359 is a prime.

It is a super-2 number, since 2×13858140511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13858140581) 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 3 ways as a sum of consecutive naturals, for example, 19853721 + ... + 19854418.

It is an arithmetic number, because the mean of its divisors is an integer number (3474462250).

Almost surely, 2^13858140511 is an apocalyptic number.

13858140511 is a deficient number, since it is larger than the sum of its proper divisors (39708489).

13858140511 is an equidigital number, since it uses as much as digits as its factorization.

13858140511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39708488.

The product of its (nonzero) digits is 19200, while the sum is 37.

The spelling of 13858140511 in words is "thirteen billion, eight hundred fifty-eight million, one hundred forty thousand, five hundred eleven".