512261544641 has 8 divisors (see below), whose sum is σ = 638663744064. Its totient is φ = 399164839920.

The previous prime is 512261544617. The next prime is 512261544661. The reversal of 512261544641 is 146445162215.

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

It is not a de Polignac number, because 512261544641 - 2¹⁰ = 512261543617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512261544661) 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, 3326373590 + ... + 3326373743.

It is an arithmetic number, because the mean of its divisors is an integer number (79832968008).

Almost surely, 2^512261544641 is an apocalyptic number.

It is an amenable number.

512261544641 is a deficient number, since it is larger than the sum of its proper divisors (126402199423).

512261544641 is a wasteful number, since it uses less digits than its factorization.

512261544641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652747351.

The product of its digits is 230400, while the sum is 41.

The spelling of 512261544641 in words is "five hundred twelve billion, two hundred sixty-one million, five hundred forty-four thousand, six hundred forty-one".