225431140551 has 16 divisors (see below), whose sum is σ = 318959320320. Its totient is φ = 141316693760.

The previous prime is 225431140483. The next prime is 225431140567. The reversal of 225431140551 is 155041134522.

It is a cyclic number.

It is not a de Polignac number, because 225431140551 - 2¹¹ = 225431138503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225431140651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27683370 + ... + 27691511.

It is an arithmetic number, because the mean of its divisors is an integer number (19934957520).

Almost surely, 2^225431140551 is an apocalyptic number.

225431140551 is a deficient number, since it is larger than the sum of its proper divisors (93528179769).

225431140551 is a wasteful number, since it uses less digits than its factorization.

225431140551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55374966.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 225431140551 in words is "two hundred twenty-five billion, four hundred thirty-one million, one hundred forty thousand, five hundred fifty-one".