2315517956 has 24 divisors (see below), whose sum is σ = 4116530880. Its totient is φ = 1139508000.

The previous prime is 2315517949. The next prime is 2315518001. The reversal of 2315517956 is 6597155132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48251 + ... + 83421.

It is an arithmetic number, because the mean of its divisors is an integer number (171522120).

Almost surely, 2^2315517956 is an apocalyptic number.

It is an amenable number.

2315517956 is a deficient number, since it is larger than the sum of its proper divisors (1801012924).

2315517956 is a wasteful number, since it uses less digits than its factorization.

2315517956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35435 (or 35433 counting only the distinct ones).

The product of its digits is 283500, while the sum is 44.

The square root of 2315517956 is about 48119.8291351912. The cubic root of 2315517956 is about 1322.9681364609.

The spelling of 2315517956 in words is "two billion, three hundred fifteen million, five hundred seventeen thousand, nine hundred fifty-six".