201315253366 has 4 divisors (see below), whose sum is σ = 301972880052. Its totient is φ = 100657626682.

The previous prime is 201315253357. The next prime is 201315253441. The reversal of 201315253366 is 663352513102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50328813340 + ... + 50328813343.

It is an arithmetic number, because the mean of its divisors is an integer number (75493220013).

Almost surely, 2^201315253366 is an apocalyptic number.

201315253366 is a deficient number, since it is larger than the sum of its proper divisors (100657626686).

201315253366 is a wasteful number, since it uses less digits than its factorization.

201315253366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100657626685.

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 201315253366 its reverse (663352513102), we get a palindrome (864667766468).

The spelling of 201315253366 in words is "two hundred one billion, three hundred fifteen million, two hundred fifty-three thousand, three hundred sixty-six".