511326530225 has 24 divisors (see below), whose sum is σ = 724835899200. Its totient is φ = 350520765120.

The previous prime is 511326530207. The next prime is 511326530237. The reversal of 511326530225 is 522035623115.

It is not a de Polignac number, because 511326530225 - 2⁶ = 511326530161 is a prime.

It is a super-2 number, since 2×511326530225² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 169226 + ... + 1025324.

It is an arithmetic number, because the mean of its divisors is an integer number (30201495800).

Almost surely, 2^511326530225 is an apocalyptic number.

It is an amenable number.

511326530225 is a deficient number, since it is larger than the sum of its proper divisors (213509368975).

511326530225 is a wasteful number, since it uses less digits than its factorization.

511326530225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859529 (or 859524 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 511326530225 in words is "five hundred eleven billion, three hundred twenty-six million, five hundred thirty thousand, two hundred twenty-five".