201545254250 has 32 divisors (see below), whose sum is σ = 382068610560. Its totient is φ = 79597611600.

The previous prime is 201545254199. The next prime is 201545254277. The reversal of 201545254250 is 52452545102.

It is a self number, because there is not a number n which added to its sum of digits gives 201545254250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5082662 + ... + 5122161.

It is an arithmetic number, because the mean of its divisors is an integer number (11939644080).

Almost surely, 2^201545254250 is an apocalyptic number.

201545254250 is a deficient number, since it is larger than the sum of its proper divisors (180523356310).

201545254250 is a wasteful number, since it uses less digits than its factorization.

201545254250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10204919 (or 10204909 counting only the distinct ones).

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

Adding to 201545254250 its reverse (52452545102), we get a palindrome (253997799352).

The spelling of 201545254250 in words is "two hundred one billion, five hundred forty-five million, two hundred fifty-four thousand, two hundred fifty".