6455558555545 has 64 divisors (see below), whose sum is σ = 8549420866560. Its totient is φ = 4640600160000.

The previous prime is 6455558555531. The next prime is 6455558555549. The reversal of 6455558555545 is 5455558555546.

It is not a de Polignac number, because 6455558555545 - 2⁵ = 6455558555513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6455558555549) 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 63 ways as a sum of consecutive naturals, for example, 1860926071 + ... + 1860929539.

It is an arithmetic number, because the mean of its divisors is an integer number (133584701040).

Almost surely, 2^{6455558555545} is an apocalyptic number.

It is an amenable number.

6455558555545 is a deficient number, since it is larger than the sum of its proper divisors (2093862311015).

6455558555545 is a wasteful number, since it uses less digits than its factorization.

6455558555545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726.

The product of its digits is 1500000000, while the sum is 67.

Subtracting from 6455558555545 its reverse (5455558555546), we obtain a palindrome (999999999999).

The spelling of 6455558555545 in words is "six trillion, four hundred fifty-five billion, five hundred fifty-eight million, five hundred fifty-five thousand, five hundred forty-five".