225539811503 has 8 divisors (see below), whose sum is σ = 235358068608. Its totient is φ = 215722569304.

The previous prime is 225539811493. The next prime is 225539811527. The reversal of 225539811503 is 305118935522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225539811503 - 2⁶ = 225539811439 is a prime.

It is a super-2 number, since 2×225539811503² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225539816503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219176 + ... + 706482.

It is an arithmetic number, because the mean of its divisors is an integer number (29419758576).

Almost surely, 2^225539811503 is an apocalyptic number.

225539811503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225539811503 is a deficient number, since it is larger than the sum of its proper divisors (9818257105).

225539811503 is a wasteful number, since it uses less digits than its factorization.

225539811503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507453.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 225539811503 in words is "two hundred twenty-five billion, five hundred thirty-nine million, eight hundred eleven thousand, five hundred three".