201315253456 has 10 divisors (see below), whose sum is σ = 390048303602. Its totient is φ = 100657626720.

The previous prime is 201315253441. The next prime is 201315253463. The reversal of 201315253456 is 654352513102.

It can be written as a sum of positive squares in only one way, i.e., 200152443456 + 1162810000 = 447384^2 + 34100^2 .

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 as a sum of consecutive naturals, namely, 6291101655 + ... + 6291101686.

Almost surely, 2^201315253456 is an apocalyptic number.

It is an amenable number.

201315253456 is a deficient number, since it is larger than the sum of its proper divisors (188733050146).

201315253456 is a wasteful number, since it uses less digits than its factorization.

201315253456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12582203349 (or 12582203343 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 201315253456 its reverse (654352513102), we get a palindrome (855667766558).

The spelling of 201315253456 in words is "two hundred one billion, three hundred fifteen million, two hundred fifty-three thousand, four hundred fifty-six".