225457560799487 has 4 divisors (see below), whose sum is σ = 225457591904136. Its totient is φ = 225457529694840.

The previous prime is 225457560799469. The next prime is 225457560799543. The reversal of 225457560799487 is 784997065754522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 225457560799487 - 2³⁸ = 225182682892543 is a prime.

It is a super-2 number, since 2×225457560799487² (a number of 30 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 (225457560798487) 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, 1698437 + ... + 21302577.

It is an arithmetic number, because the mean of its divisors is an integer number (56364397976034).

Almost surely, 2^{225457560799487} is an apocalyptic number.

225457560799487 is a deficient number, since it is larger than the sum of its proper divisors (31104649).

225457560799487 is a wasteful number, since it uses less digits than its factorization.

225457560799487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31104648.

The product of its (nonzero) digits is 10668672000, while the sum is 80.

The spelling of 225457560799487 in words is "two hundred twenty-five trillion, four hundred fifty-seven billion, five hundred sixty million, seven hundred ninety-nine thousand, four hundred eighty-seven".