510540020125 has 32 divisors (see below), whose sum is σ = 672055862400. Its totient is φ = 386146656000.

The previous prime is 510540020083. The next prime is 510540020141. The reversal of 510540020125 is 521020045015.

It is not a de Polignac number, because 510540020125 - 2¹⁷ = 510539889053 is a prime.

It is a super-2 number, since 2×510540020125² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 510540020125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947221 + ... + 1385029.

It is an arithmetic number, because the mean of its divisors is an integer number (21001745700).

Almost surely, 2^510540020125 is an apocalyptic number.

It is an amenable number.

510540020125 is a deficient number, since it is larger than the sum of its proper divisors (161515842275).

510540020125 is a wasteful number, since it uses less digits than its factorization.

510540020125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438334 (or 438324 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 510540020125 in words is "five hundred ten billion, five hundred forty million, twenty thousand, one hundred twenty-five".