545215001515 has 16 divisors (see below), whose sum is σ = 657767671200. Its totient is φ = 433836006912.

The previous prime is 545215001501. The next prime is 545215001521. The reversal of 545215001515 is 515100512545.

It is a cyclic number.

It is not a de Polignac number, because 545215001515 - 2⁹ = 545215001003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919344 + ... + 1391266.

It is an arithmetic number, because the mean of its divisors is an integer number (41110479450).

Almost surely, 2^545215001515 is an apocalyptic number.

545215001515 is a deficient number, since it is larger than the sum of its proper divisors (112552669685).

545215001515 is a wasteful number, since it uses less digits than its factorization.

545215001515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473166.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 545215001515 in words is "five hundred forty-five billion, two hundred fifteen million, one thousand, five hundred fifteen".