545534310515 has 4 divisors (see below), whose sum is σ = 654641172624. Its totient is φ = 436427448408.

The previous prime is 545534310511. The next prime is 545534310523. The reversal of 545534310515 is 515013435545.

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

It is a cyclic number.

It is not a de Polignac number, because 545534310515 - 2² = 545534310511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545534310511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54553431047 + ... + 54553431056.

It is an arithmetic number, because the mean of its divisors is an integer number (163660293156).

Almost surely, 2^545534310515 is an apocalyptic number.

545534310515 is a deficient number, since it is larger than the sum of its proper divisors (109106862109).

545534310515 is a wasteful number, since it uses less digits than its factorization.

545534310515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109106862108.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 545534310515 in words is "five hundred forty-five billion, five hundred thirty-four million, three hundred ten thousand, five hundred fifteen".