201634113215 has 8 divisors (see below), whose sum is σ = 242001960768. Its totient is φ = 161279940640.

The previous prime is 201634113151. The next prime is 201634113227. The reversal of 201634113215 is 512311436102.

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

It is not a de Polignac number, because 201634113215 - 2⁶ = 201634113151 is a prime.

It is a super-2 number, since 2×201634113215² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3386276 + ... + 3445305.

It is an arithmetic number, because the mean of its divisors is an integer number (30250245096).

Almost surely, 2^201634113215 is an apocalyptic number.

201634113215 is a deficient number, since it is larger than the sum of its proper divisors (40367847553).

201634113215 is an equidigital number, since it uses as much as digits as its factorization.

201634113215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837489.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 201634113215 its reverse (512311436102), we get a palindrome (713945549317).

The spelling of 201634113215 in words is "two hundred one billion, six hundred thirty-four million, one hundred thirteen thousand, two hundred fifteen".