1515015265145 has 32 divisors (see below), whose sum is σ = 1845794027520. Its totient is φ = 1193669084160.

The previous prime is 1515015265139. The next prime is 1515015265157. The reversal of 1515015265145 is 5415625105151.

It is not a de Polignac number, because 1515015265145 - 2¹⁶ = 1515015199609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49571189 + ... + 49601741.

It is an arithmetic number, because the mean of its divisors is an integer number (57681063360).

Almost surely, 2^{1515015265145} is an apocalyptic number.

It is an amenable number.

1515015265145 is a deficient number, since it is larger than the sum of its proper divisors (330778762375).

1515015265145 is a wasteful number, since it uses less digits than its factorization.

1515015265145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31265.

The product of its (nonzero) digits is 150000, while the sum is 41.

The spelling of 1515015265145 in words is "one trillion, five hundred fifteen billion, fifteen million, two hundred sixty-five thousand, one hundred forty-five".