1315180041378 has 64 divisors (see below), whose sum is σ = 3064779832320. Its totient is φ = 368466069312.

The previous prime is 1315180041317. The next prime is 1315180041379. The reversal of 1315180041378 is 8731400815131.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1315180041379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315325 + ... + 1652207.

It is an arithmetic number, because the mean of its divisors is an integer number (47887184880).

Almost surely, 2^{1315180041378} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315180041378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532389916160).

1315180041378 is an abundant number, since it is smaller than the sum of its proper divisors (1749599790942).

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

1315180041378 is a wasteful number, since it uses less digits than its factorization.

1315180041378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337351.

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 1315180041378 in words is "one trillion, three hundred fifteen billion, one hundred eighty million, forty-one thousand, three hundred seventy-eight".