201053513050 has 24 divisors (see below), whose sum is σ = 402725653596. Its totient is φ = 74235143040.

The previous prime is 201053513033. The next prime is 201053513053. The reversal of 201053513050 is 50315350102.

It can be written as a sum of positive squares in 6 ways, for example, as 3100596489 + 197952916561 = 55683^2 + 444919^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (201053513053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154655899 + ... + 154657198.

Almost surely, 2^201053513050 is an apocalyptic number.

201053513050 is an abundant number, since it is smaller than the sum of its proper divisors (201672140546).

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

201053513050 is a wasteful number, since it uses less digits than its factorization.

201053513050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309313122 (or 309313117 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 201053513050 its reverse (50315350102), we get a palindrome (251368863152).

The spelling of 201053513050 in words is "two hundred one billion, fifty-three million, five hundred thirteen thousand, fifty".