10128542452 has 18 divisors (see below), whose sum is σ = 20618818962. Its totient is φ = 4340803824.

The previous prime is 10128542443. The next prime is 10128542471. The reversal of 10128542452 is 25424582101.

It can be written as a sum of positive squares in only one way, i.e., 9047053456 + 1081488996 = 95116^2 + 32886^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 25837923 + ... + 25838314.

Almost surely, 2^10128542452 is an apocalyptic number.

It is an amenable number.

10128542452 is an abundant number, since it is smaller than the sum of its proper divisors (10490276510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10128542452 is a wasteful number, since it uses less digits than its factorization.

10128542452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51676255 (or 51676246 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 10128542452 in words is "ten billion, one hundred twenty-eight million, five hundred forty-two thousand, four hundred fifty-two".