455531215647 has 16 divisors (see below), whose sum is σ = 615724414208. Its totient is φ = 299513142720.

The previous prime is 455531215597. The next prime is 455531215661. The reversal of 455531215647 is 746512135554.

It is not a de Polignac number, because 455531215647 - 2²² = 455527021343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455531215596 and 455531215605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455531215687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6621408 + ... + 6689850.

It is an arithmetic number, because the mean of its divisors is an integer number (38482775888).

Almost surely, 2^455531215647 is an apocalyptic number.

455531215647 is a deficient number, since it is larger than the sum of its proper divisors (160193198561).

455531215647 is a wasteful number, since it uses less digits than its factorization.

455531215647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98910.

The product of its digits is 2520000, while the sum is 48.

The spelling of 455531215647 in words is "four hundred fifty-five billion, five hundred thirty-one million, two hundred fifteen thousand, six hundred forty-seven".