515340664441 has 8 divisors (see below), whose sum is σ = 517704929280. Its totient is φ = 512979466752.

The previous prime is 515340664403. The next prime is 515340664471. The reversal of 515340664441 is 144466043515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 515340664441 - 2⁷ = 515340664313 is a prime.

It is a super-3 number, since 3×515340664441³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515340664471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429640 + ... + 1102393.

It is an arithmetic number, because the mean of its divisors is an integer number (64713116160).

Almost surely, 2^515340664441 is an apocalyptic number.

It is an amenable number.

515340664441 is a deficient number, since it is larger than the sum of its proper divisors (2364264839).

515340664441 is a wasteful number, since it uses less digits than its factorization.

515340664441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533575.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 515340664441 in words is "five hundred fifteen billion, three hundred forty million, six hundred sixty-four thousand, four hundred forty-one".