545252525215 has 4 divisors (see below), whose sum is σ = 654303030264. Its totient is φ = 436202020168.

The previous prime is 545252525189. The next prime is 545252525231. The reversal of 545252525215 is 512525252545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545252525215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54525252517 + ... + 54525252526.

It is an arithmetic number, because the mean of its divisors is an integer number (163575757566).

Almost surely, 2^545252525215 is an apocalyptic number.

545252525215 is a deficient number, since it is larger than the sum of its proper divisors (109050505049).

545252525215 is a wasteful number, since it uses less digits than its factorization.

545252525215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109050505048.

The product of its digits is 1000000, while the sum is 43.

The spelling of 545252525215 in words is "five hundred forty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred fifteen".