1315975350782 has 16 divisors (see below), whose sum is σ = 2004772757760. Its totient is φ = 647730976728.

The previous prime is 1315975350769. The next prime is 1315975350791. The reversal of 1315975350782 is 2870535795131.

It is a super-2 number, since 2×1315975350782² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3102932 + ... + 3501447.

It is an arithmetic number, because the mean of its divisors is an integer number (125298297360).

Almost surely, 2^{1315975350782} is an apocalyptic number.

1315975350782 is a deficient number, since it is larger than the sum of its proper divisors (688797406978).

1315975350782 is a wasteful number, since it uses less digits than its factorization.

1315975350782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605935.

The product of its (nonzero) digits is 7938000, while the sum is 56.

The spelling of 1315975350782 in words is "one trillion, three hundred fifteen billion, nine hundred seventy-five million, three hundred fifty thousand, seven hundred eighty-two".