1515265025264 has 20 divisors (see below), whose sum is σ = 3030530051520. Its totient is φ = 733192753920.

The previous prime is 1515265025213. The next prime is 1515265025269. The reversal of 1515265025264 is 4625205625151.

1515265025264 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515265025269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527484409 + ... + 1527485400.

It is an arithmetic number, because the mean of its divisors is an integer number (151526502576).

Almost surely, 2^{1515265025264} is an apocalyptic number.

It is an amenable number.

1515265025264 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1515265025264 is a wasteful number, since it uses less digits than its factorization.

1515265025264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054969848 (or 3054969842 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 1515265025264 in words is "one trillion, five hundred fifteen billion, two hundred sixty-five million, twenty-five thousand, two hundred sixty-four".