51664241101015 has 8 divisors (see below), whose sum is σ = 62003178871488. Its totient is φ = 41327333180640.

The previous prime is 51664241101009. The next prime is 51664241101027. The reversal of 51664241101015 is 51010114246615.

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

It is not a de Polignac number, because 51664241101015 - 2¹⁹ = 51664240576727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507406527 + ... + 507508336.

It is an arithmetic number, because the mean of its divisors is an integer number (7750397358936).

Almost surely, 2^{51664241101015} is an apocalyptic number.

51664241101015 is a deficient number, since it is larger than the sum of its proper divisors (10338937770473).

51664241101015 is a wasteful number, since it uses less digits than its factorization.

51664241101015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014925049.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 51664241101015 in words is "fifty-one trillion, six hundred sixty-four billion, two hundred forty-one million, one hundred one thousand, fifteen".