511640705152046 has 8 divisors (see below), whose sum is σ = 767462697079344. Its totient is φ = 255819806125600.

The previous prime is 511640705152009. The next prime is 511640705152067. The reversal of 511640705152046 is 640251507046115.

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

It is a super-2 number, since 2×511640705152046² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272053835 + ... + 273928038.

It is an arithmetic number, because the mean of its divisors is an integer number (95932837134918).

Almost surely, 2^{511640705152046} is an apocalyptic number.

511640705152046 is a deficient number, since it is larger than the sum of its proper divisors (255821991927298).

511640705152046 is a wasteful number, since it uses less digits than its factorization.

511640705152046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546450426.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 511640705152046 in words is "five hundred eleven trillion, six hundred forty billion, seven hundred five million, one hundred fifty-two thousand, forty-six".