201122551031825 has 12 divisors (see below), whose sum is σ = 249507797978508. Its totient is φ = 160823308761600.

The previous prime is 201122551031819. The next prime is 201122551031839. The reversal of 201122551031825 is 528130155221102.

It can be written as a sum of positive squares in 6 ways, for example, as 34572788898769 + 166549762133056 = 5879863^2 + 12905416^2 .

It is not a de Polignac number, because 201122551031825 - 2³² = 201118256064529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1868246696 + ... + 1868354345.

It is an arithmetic number, because the mean of its divisors is an integer number (20792316498209).

Almost surely, 2^{201122551031825} is an apocalyptic number.

201122551031825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201122551031825 is a deficient number, since it is larger than the sum of its proper divisors (48385246946683).

201122551031825 is a wasteful number, since it uses less digits than its factorization.

201122551031825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736603204 (or 3736603199 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 201122551031825 in words is "two hundred one trillion, one hundred twenty-two billion, five hundred fifty-one million, thirty-one thousand, eight hundred twenty-five".