225153655503 has 32 divisors (see below), whose sum is σ = 346618905600. Its totient is φ = 127338967296.

The previous prime is 225153655481. The next prime is 225153655561. The reversal of 225153655503 is 305556351522.

It is a happy number.

It is not a de Polignac number, because 225153655503 - 2⁹ = 225153654991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225153655583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050075 + ... + 2157107.

It is an arithmetic number, because the mean of its divisors is an integer number (10831840800).

Almost surely, 2^225153655503 is an apocalyptic number.

225153655503 is a deficient number, since it is larger than the sum of its proper divisors (121465250097).

225153655503 is a wasteful number, since it uses less digits than its factorization.

225153655503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108071.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 225153655503 in words is "two hundred twenty-five billion, one hundred fifty-three million, six hundred fifty-five thousand, five hundred three".