512402103125 has 36 divisors (see below), whose sum is σ = 703979012772. Its totient is φ = 372655800000.

The previous prime is 512402103121. The next prime is 512402103133. The reversal of 512402103125 is 521301204215.

It can be written as a sum of positive squares in 6 ways, for example, as 389564470801 + 122837632324 = 624151^2 + 350482^2 .

It is not a de Polignac number, because 512402103125 - 2² = 512402103121 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512402103094 and 512402103103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512402103121) 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 35 ways as a sum of consecutive naturals, for example, 299432 + ... + 1055681.

It is an arithmetic number, because the mean of its divisors is an integer number (19554972577).

Almost surely, 2^512402103125 is an apocalyptic number.

512402103125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

512402103125 is a deficient number, since it is larger than the sum of its proper divisors (191576909647).

512402103125 is an equidigital number, since it uses as much as digits as its factorization.

512402103125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355160 (or 1355129 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 512402103125 in words is "five hundred twelve billion, four hundred two million, one hundred three thousand, one hundred twenty-five".