13111516050 has 48 divisors (see below), whose sum is σ = 34429305312. Its totient is φ = 3290732800.

The previous prime is 13111516039. The next prime is 13111516051. The reversal of 13111516050 is 5061511131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13111516050.

It is not an unprimeable number, because it can be changed into a prime (13111516051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2568336 + ... + 2573435.

It is an arithmetic number, because the mean of its divisors is an integer number (717277194).

Almost surely, 2^13111516050 is an apocalyptic number.

13111516050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111516050 is an abundant number, since it is smaller than the sum of its proper divisors (21317789262).

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

13111516050 is a wasteful number, since it uses less digits than its factorization.

13111516050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141803 (or 5141798 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The spelling of 13111516050 in words is "thirteen billion, one hundred eleven million, five hundred sixteen thousand, fifty".