13315142050 has 144 divisors (see below), whose sum is σ = 31634582400. Its totient is φ = 4069854720.

The previous prime is 13315142039. The next prime is 13315142051. The reversal of 13315142050 is 5024151331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13315142051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2144851 + ... + 2151049.

It is an arithmetic number, because the mean of its divisors is an integer number (219684600).

Almost surely, 2^13315142050 is an apocalyptic number.

13315142050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13315142050 is an abundant number, since it is smaller than the sum of its proper divisors (18319440350).

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

13315142050 is a wasteful number, since it uses less digits than its factorization.

13315142050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273 (or 6249 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 13315142050 its reverse (5024151331), we get a palindrome (18339293381).

The spelling of 13315142050 in words is "thirteen billion, three hundred fifteen million, one hundred forty-two thousand, fifty".