2315015225565 has 24 divisors (see below), whose sum is σ = 4308763033440. Its totient is φ = 1058292674208.

The previous prime is 2315015225489. The next prime is 2315015225573. The reversal of 2315015225565 is 5655225105132.

It is not a de Polignac number, because 2315015225565 - 2¹³ = 2315015217373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1574839555 + ... + 1574841024.

It is an arithmetic number, because the mean of its divisors is an integer number (179531793060).

Almost surely, 2^{2315015225565} is an apocalyptic number.

It is an amenable number.

2315015225565 is a deficient number, since it is larger than the sum of its proper divisors (1993747807875).

2315015225565 is a wasteful number, since it uses less digits than its factorization.

2315015225565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149680601 (or 3149680594 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 2315015225565 in words is "two trillion, three hundred fifteen billion, fifteen million, two hundred twenty-five thousand, five hundred sixty-five".