1315187315200 has 120 divisors (see below), whose sum is σ = 3554705095920. Its totient is φ = 478249881600.

The previous prime is 1315187315177. The next prime is 1315187315201. The reversal of 1315187315200 is 25137815131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315187315200.

It is not an unprimeable number, because it can be changed into a prime (1315187315201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4529610 + ... + 4811209.

It is an arithmetic number, because the mean of its divisors is an integer number (29622542466).

Almost surely, 2^{1315187315200} is an apocalyptic number.

1315187315200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315187315200 is an abundant number, since it is smaller than the sum of its proper divisors (2239517780720).

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

1315187315200 is an equidigital number, since it uses as much as digits as its factorization.

1315187315200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340858 (or 9340837 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 1315187315200 in words is "one trillion, three hundred fifteen billion, one hundred eighty-seven million, three hundred fifteen thousand, two hundred".