1315032011818 has 64 divisors (see below), whose sum is σ = 2410632806400. Its totient is φ = 525869910720.

The previous prime is 1315032011779. The next prime is 1315032011827. The reversal of 1315032011818 is 8181102305131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9078163 + ... + 9221881.

It is an arithmetic number, because the mean of its divisors is an integer number (37666137600).

Almost surely, 2^{1315032011818} is an apocalyptic number.

1315032011818 is a deficient number, since it is larger than the sum of its proper divisors (1095600794582).

1315032011818 is a wasteful number, since it uses less digits than its factorization.

1315032011818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144515.

The product of its (nonzero) digits is 5760, while the sum is 34.

Adding to 1315032011818 its reverse (8181102305131), we get a palindrome (9496134316949).

The spelling of 1315032011818 in words is "one trillion, three hundred fifteen billion, thirty-two million, eleven thousand, eight hundred eighteen".