13801506111 has 16 divisors (see below), whose sum is σ = 20705497600. Its totient is φ = 9084534264.

The previous prime is 13801506101. The next prime is 13801506113. The reversal of 13801506111 is 11160510831.

It is a happy number.

13801506111 is a `hidden beast` number, since 1 + 38 + 0 + 15 + 0 + 611 + 1 = 666.

It is not a de Polignac number, because 13801506111 - 2⁵ = 13801506079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13801506113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3233101 + ... + 3237366.

It is an arithmetic number, because the mean of its divisors is an integer number (1294093600).

Almost surely, 2^13801506111 is an apocalyptic number.

13801506111 is a deficient number, since it is larger than the sum of its proper divisors (6903991489).

13801506111 is an equidigital number, since it uses as much as digits as its factorization.

13801506111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470555 (or 6470549 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 13801506111 in words is "thirteen billion, eight hundred one million, five hundred six thousand, one hundred eleven".