1542858395128 has 64 divisors (see below), whose sum is σ = 3146215867200. Its totient is φ = 706337372160.

The previous prime is 1542858395107. The next prime is 1542858395153. The reversal of 1542858395128 is 8215938582451.

It is a happy number.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 53873373 + ... + 53902003.

It is an arithmetic number, because the mean of its divisors is an integer number (49159622925).

Almost surely, 2^{1542858395128} is an apocalyptic number.

It is an amenable number.

1542858395128 is an abundant number, since it is smaller than the sum of its proper divisors (1603357472072).

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

1542858395128 is a wasteful number, since it uses less digits than its factorization.

1542858395128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39400 (or 39396 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 61.

The spelling of 1542858395128 in words is "one trillion, five hundred forty-two billion, eight hundred fifty-eight million, three hundred ninety-five thousand, one hundred twenty-eight".