1315475043691 has 8 divisors (see below), whose sum is σ = 1453414882464. Its totient is φ = 1184263977600.

The previous prime is 1315475043667. The next prime is 1315475043697. The reversal of 1315475043691 is 1963405745131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315475043691 - 2²⁵ = 1315441489259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315475043697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682192760 + ... + 1682193541.

It is an arithmetic number, because the mean of its divisors is an integer number (181676860308).

Almost surely, 2^{1315475043691} is an apocalyptic number.

1315475043691 is a deficient number, since it is larger than the sum of its proper divisors (137939838773).

1315475043691 is a wasteful number, since it uses less digits than its factorization.

1315475043691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364386341.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 1315475043691 in words is "one trillion, three hundred fifteen billion, four hundred seventy-five million, forty-three thousand, six hundred ninety-one".