3115320215545 has 8 divisors (see below), whose sum is σ = 3757170110400. Its totient is φ = 2479732271280.

The previous prime is 3115320215521. The next prime is 3115320215569. The reversal of 3115320215545 is 5455120235113.

It is an interprime number because it is at equal distance from previous prime (3115320215521) and next prime (3115320215569).

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

It is a de Polignac number, because none of the positive numbers 2^k-3115320215545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565486551 + ... + 1565488540.

It is an arithmetic number, because the mean of its divisors is an integer number (469646263800).

Almost surely, 2^{3115320215545} is an apocalyptic number.

It is an amenable number.

3115320215545 is a deficient number, since it is larger than the sum of its proper divisors (641849894855).

3115320215545 is a wasteful number, since it uses less digits than its factorization.

3115320215545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130975295.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 3115320215545 in words is "three trillion, one hundred fifteen billion, three hundred twenty million, two hundred fifteen thousand, five hundred forty-five".