201245540552 has 24 divisors (see below), whose sum is σ = 438941167110. Its totient is φ = 86248088640.

The previous prime is 201245540519. The next prime is 201245540591. The reversal of 201245540552 is 255045542102.

It can be written as a sum of positive squares in only one way, i.e., 147891008356 + 53354532196 = 384566^2 + 230986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256690349 + ... + 256691132.

Almost surely, 2^201245540552 is an apocalyptic number.

It is an amenable number.

201245540552 is an abundant number, since it is smaller than the sum of its proper divisors (237695626558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201245540552 is a wasteful number, since it uses less digits than its factorization.

201245540552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513381501 (or 513381490 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 201245540552 in words is "two hundred one billion, two hundred forty-five million, five hundred forty thousand, five hundred fifty-two".