52405235151505 has 16 divisors (see below), whose sum is σ = 66587679037440. Its totient is φ = 39456753460992.

The previous prime is 52405235151487. The next prime is 52405235151583. The reversal of 52405235151505 is 50515153250425.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52405235151505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7615569 + ... + 12759598.

It is an arithmetic number, because the mean of its divisors is an integer number (4161729939840).

Almost surely, 2^{52405235151505} is an apocalyptic number.

It is an amenable number.

52405235151505 is a deficient number, since it is larger than the sum of its proper divisors (14182443885935).

52405235151505 is a wasteful number, since it uses less digits than its factorization.

52405235151505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20405448.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 52405235151505 in words is "fifty-two trillion, four hundred five billion, two hundred thirty-five million, one hundred fifty-one thousand, five hundred five".