201396613505 has 8 divisors (see below), whose sum is σ = 241949640192. Its totient is φ = 160934821488.

The previous prime is 201396613501. The next prime is 201396613507. The reversal of 201396613505 is 505316693102.

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

It is a cyclic number.

It is not a de Polignac number, because 201396613505 - 2² = 201396613501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201396613501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22803809 + ... + 22812638.

It is an arithmetic number, because the mean of its divisors is an integer number (30243705024).

Almost surely, 2^201396613505 is an apocalyptic number.

It is an amenable number.

201396613505 is a deficient number, since it is larger than the sum of its proper divisors (40553026687).

201396613505 is an equidigital number, since it uses as much as digits as its factorization.

201396613505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45617335.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 201396613505 in words is "two hundred one billion, three hundred ninety-six million, six hundred thirteen thousand, five hundred five".