495099505551 has 32 divisors (see below), whose sum is σ = 770639708160. Its totient is φ = 276840468576.

The previous prime is 495099505543. The next prime is 495099505601. The reversal of 495099505551 is 155505990594.

It is not a de Polignac number, because 495099505551 - 2³ = 495099505543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 495099505491 and 495099505500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495099505501) 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 31 ways as a sum of consecutive naturals, for example, 5302270 + ... + 5394836.

It is an arithmetic number, because the mean of its divisors is an integer number (24082490880).

Almost surely, 2^495099505551 is an apocalyptic number.

495099505551 is a deficient number, since it is larger than the sum of its proper divisors (275540202609).

495099505551 is a wasteful number, since it uses less digits than its factorization.

495099505551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98043.

The product of its (nonzero) digits is 9112500, while the sum is 57.

The spelling of 495099505551 in words is "four hundred ninety-five billion, ninety-nine million, five hundred five thousand, five hundred fifty-one".