605481561008451 has 32 divisors (see below), whose sum is σ = 947858372352000. Its totient is φ = 381216789068544.

The previous prime is 605481561008449. The next prime is 605481561008567. The reversal of 605481561008451 is 154800165184506.

It is a happy number.

605481561008451 is a `hidden beast` number, since 6 + 0 + 5 + 4 + 8 + 15 + 610 + 0 + 8 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 605481561008451 - 2¹ = 605481561008449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (605481561108451) 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, 6170903886 + ... + 6171002003.

It is an arithmetic number, because the mean of its divisors is an integer number (29620574136000).

Almost surely, 2^{605481561008451} is an apocalyptic number.

605481561008451 is a deficient number, since it is larger than the sum of its proper divisors (342376811343549).

605481561008451 is a wasteful number, since it uses less digits than its factorization.

605481561008451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341906000 (or 12341905994 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 54.

The spelling of 605481561008451 in words is "six hundred five trillion, four hundred eighty-one billion, five hundred sixty-one million, eight thousand, four hundred fifty-one".