201125026255 has 4 divisors (see below), whose sum is σ = 241350031512. Its totient is φ = 160900021000.

The previous prime is 201125026253. The next prime is 201125026339. The reversal of 201125026255 is 552620521102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201125026255 - 2¹ = 201125026253 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201125026253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20112502621 + ... + 20112502630.

It is an arithmetic number, because the mean of its divisors is an integer number (60337507878).

Almost surely, 2^201125026255 is an apocalyptic number.

201125026255 is a deficient number, since it is larger than the sum of its proper divisors (40225005257).

201125026255 is an equidigital number, since it uses as much as digits as its factorization.

201125026255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40225005256.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 201125026255 its reverse (552620521102), we get a palindrome (753745547357).

The spelling of 201125026255 in words is "two hundred one billion, one hundred twenty-five million, twenty-six thousand, two hundred fifty-five".