7312616441505 has 24 divisors (see below), whose sum is σ = 12676409928000. Its totient is φ = 3899690380320.

The previous prime is 7312616441503. The next prime is 7312616441521. The reversal of 7312616441505 is 5051446162137.

It is a happy number.

7312616441505 is a `hidden beast` number, since 7 + 3 + 12 + 616 + 4 + 4 + 15 + 0 + 5 = 666.

It is not a de Polignac number, because 7312616441505 - 2¹ = 7312616441503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7312616441503) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7266501 + ... + 8211410.

It is an arithmetic number, because the mean of its divisors is an integer number (528183747000).

Almost surely, 2^{7312616441505} is an apocalyptic number.

It is an amenable number.

7312616441505 is a deficient number, since it is larger than the sum of its proper divisors (5363793486495).

7312616441505 is a wasteful number, since it uses less digits than its factorization.

7312616441505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15488421 (or 15488418 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 7312616441505 in words is "seven trillion, three hundred twelve billion, six hundred sixteen million, four hundred forty-one thousand, five hundred five".