515108049549 has 16 divisors (see below), whose sum is σ = 705431215680. Its totient is φ = 334096652160.

The previous prime is 515108049497. The next prime is 515108049569. The reversal of 515108049549 is 945940801515.

It is not a de Polignac number, because 515108049549 - 2⁹ = 515108049037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515108049569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210554 + ... + 1579764.

It is an arithmetic number, because the mean of its divisors is an integer number (44089450980).

Almost surely, 2^515108049549 is an apocalyptic number.

It is an amenable number.

515108049549 is a deficient number, since it is larger than the sum of its proper divisors (190323166131).

515108049549 is a wasteful number, since it uses less digits than its factorization.

515108049549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381820.

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 515108049549 in words is "five hundred fifteen billion, one hundred eight million, forty-nine thousand, five hundred forty-nine".