545611243515 has 32 divisors (see below), whose sum is σ = 955542133056. Its totient is φ = 264205186560.

The previous prime is 545611243511. The next prime is 545611243589. The reversal of 545611243515 is 515342116545.

It is not a de Polignac number, because 545611243515 - 2² = 545611243511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545611243511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22922584 + ... + 22946373.

It is an arithmetic number, because the mean of its divisors is an integer number (29860691658).

Almost surely, 2^545611243515 is an apocalyptic number.

545611243515 is a deficient number, since it is larger than the sum of its proper divisors (409930889541).

545611243515 is a wasteful number, since it uses less digits than its factorization.

545611243515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45869039.

The product of its digits is 360000, while the sum is 42.

The spelling of 545611243515 in words is "five hundred forty-five billion, six hundred eleven million, two hundred forty-three thousand, five hundred fifteen".