515012001225 has 48 divisors (see below), whose sum is σ = 889569760320. Its totient is φ = 262575712000.

The previous prime is 515012001209. The next prime is 515012001227. The reversal of 515012001225 is 522100210515.

It is not a de Polignac number, because 515012001225 - 2⁴ = 515012001209 is a prime.

It is a super-2 number, since 2×515012001225² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 515012001195 and 515012001204.

It is not an unprimeable number, because it can be changed into a prime (515012001227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 952539 + ... + 1391888.

It is an arithmetic number, because the mean of its divisors is an integer number (18532703340).

Almost surely, 2^515012001225 is an apocalyptic number.

It is an amenable number.

515012001225 is a deficient number, since it is larger than the sum of its proper divisors (374557759095).

515012001225 is a wasteful number, since it uses less digits than its factorization.

515012001225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344570 (or 2344565 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 515012001225 in words is "five hundred fifteen billion, twelve million, one thousand, two hundred twenty-five".