2615326431605 has 16 divisors (see below), whose sum is σ = 3188443837824. Its totient is φ = 2059141156800.

The previous prime is 2615326431563. The next prime is 2615326431611. The reversal of 2615326431605 is 5061346235162.

It is not a de Polignac number, because 2615326431605 - 2²² = 2615322237301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15421247 + ... + 15589916.

It is an arithmetic number, because the mean of its divisors is an integer number (199277739864).

Almost surely, 2^{2615326431605} is an apocalyptic number.

It is an amenable number.

2615326431605 is a deficient number, since it is larger than the sum of its proper divisors (573117406219).

2615326431605 is a wasteful number, since it uses less digits than its factorization.

2615326431605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31011436.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 2615326431605 in words is "two trillion, six hundred fifteen billion, three hundred twenty-six million, four hundred thirty-one thousand, six hundred five".