2515151640565 has 32 divisors (see below), whose sum is σ = 3396023366400. Its totient is φ = 1778869255680.

The previous prime is 2515151640523. The next prime is 2515151640667. The reversal of 2515151640565 is 5650461515152.

It is not a de Polignac number, because 2515151640565 - 2¹⁹ = 2515151116277 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13948210 + ... + 14127379.

It is an arithmetic number, because the mean of its divisors is an integer number (106125730200).

Almost surely, 2^{2515151640565} is an apocalyptic number.

It is an amenable number.

2515151640565 is a deficient number, since it is larger than the sum of its proper divisors (880871725835).

2515151640565 is a wasteful number, since it uses less digits than its factorization.

2515151640565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28075677.

The product of its (nonzero) digits is 900000, while the sum is 46.

The spelling of 2515151640565 in words is "two trillion, five hundred fifteen billion, one hundred fifty-one million, six hundred forty thousand, five hundred sixty-five".