511353016425 has 36 divisors (see below), whose sum is σ = 916618051440. Its totient is φ = 272504840160.

The previous prime is 511353016403. The next prime is 511353016487. The reversal of 511353016425 is 524610353115.

511353016425 is a `hidden beast` number, since 5 + 1 + 1 + 3 + 5 + 3 + 0 + 1 + 642 + 5 = 666.

It is not a de Polignac number, because 511353016425 - 2⁸ = 511353016169 is a prime.

It is a super-2 number, since 2×511353016425² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511353016425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 619299 + ... + 1185848.

It is an arithmetic number, because the mean of its divisors is an integer number (25461612540).

Almost surely, 2^511353016425 is an apocalyptic number.

It is an amenable number.

511353016425 is a deficient number, since it is larger than the sum of its proper divisors (405265035015).

511353016425 is a wasteful number, since it uses less digits than its factorization.

511353016425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806422 (or 1806414 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 511353016425 in words is "five hundred eleven billion, three hundred fifty-three million, sixteen thousand, four hundred twenty-five".