2015645650002 has 48 divisors (see below), whose sum is σ = 4598799528960. Its totient is φ = 636282500256.

The previous prime is 2015645650001. The next prime is 2015645650003. The reversal of 2015645650002 is 2000565465102.

2015645650002 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 645 + 6 + 5 + 0 + 0 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2015645650001) and next prime (2015645650003).

It is not an unprimeable number, because it can be changed into a prime (2015645650001) 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, 177753 + ... + 2015660.

It is an arithmetic number, because the mean of its divisors is an integer number (95808323520).

Almost surely, 2^{2015645650002} is an apocalyptic number.

2015645650002 is an abundant number, since it is smaller than the sum of its proper divisors (2583153878958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015645650002 is a wasteful number, since it uses less digits than its factorization.

2015645650002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196127 (or 2196124 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 2015645650002 in words is "two trillion, fifteen billion, six hundred forty-five million, six hundred fifty thousand, two".