3520615372087 has 16 divisors (see below), whose sum is σ = 4007820487680. Its totient is φ = 3061279804000.

The previous prime is 3520615372031. The next prime is 3520615372123. The reversal of 3520615372087 is 7802735160253.

It is a de Polignac number, because none of the positive numbers 2^k-3520615372087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3520615372087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520615372187) 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 15 ways as a sum of consecutive naturals, for example, 6225837 + ... + 6767737.

It is an arithmetic number, because the mean of its divisors is an integer number (250488780480).

Almost surely, 2^{3520615372087} is an apocalyptic number.

3520615372087 is a deficient number, since it is larger than the sum of its proper divisors (487205115593).

3520615372087 is a wasteful number, since it uses less digits than its factorization.

3520615372087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567614.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 3520615372087 in words is "three trillion, five hundred twenty billion, six hundred fifteen million, three hundred seventy-two thousand, eighty-seven".