201110254245 has 64 divisors (see below), whose sum is σ = 362130105600. Its totient is φ = 107203450752.

The previous prime is 201110254229. The next prime is 201110254271. The reversal of 201110254245 is 542452011102.

It is a happy number.

201110254245 is a `hidden beast` number, since 2 + 0 + 1 + 110 + 2 + 542 + 4 + 5 = 666.

It is not a de Polignac number, because 201110254245 - 2⁴ = 201110254229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29663266 + ... + 29670044.

It is an arithmetic number, because the mean of its divisors is an integer number (5658282900).

Almost surely, 2^201110254245 is an apocalyptic number.

It is an amenable number.

201110254245 is a deficient number, since it is larger than the sum of its proper divisors (161019851355).

201110254245 is an frugal number, since it uses more digits than its factorization.

201110254245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518 (or 9500 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 201110254245 its reverse (542452011102), we get a palindrome (743562265347).

The spelling of 201110254245 in words is "two hundred one billion, one hundred ten million, two hundred fifty-four thousand, two hundred forty-five".