50505150511666 has 4 divisors (see below), whose sum is σ = 75757725767502. Its totient is φ = 25252575255832.

The previous prime is 50505150511633. The next prime is 50505150511681. The reversal of 50505150511666 is 66611505150505.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34019561051641 + 16485589460025 = 5832629^2 + 4060245^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626287627915 + ... + 12626287627918.

Almost surely, 2^{50505150511666} is an apocalyptic number.

50505150511666 is a deficient number, since it is larger than the sum of its proper divisors (25252575255836).

50505150511666 is a wasteful number, since it uses less digits than its factorization.

50505150511666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25252575255835.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 50505150511666 in words is "fifty trillion, five hundred five billion, one hundred fifty million, five hundred eleven thousand, six hundred sixty-six".