1542425021541 has 24 divisors (see below), whose sum is σ = 2272407260760. Its totient is φ = 1007804768256.

The previous prime is 1542425021521. The next prime is 1542425021563. The reversal of 1542425021541 is 1451205242451.

1542425021541 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 42 + 50 + 21 + 541 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 181440900 + 1542243580641 = 13470^2 + 1241871^2 .

It is not a de Polignac number, because 1542425021541 - 2²⁵ = 1542391467109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542425021496 and 1542425021505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542425021521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1278556 + ... + 2172453.

It is an arithmetic number, because the mean of its divisors is an integer number (94683635865).

Almost surely, 2^{1542425021541} is an apocalyptic number.

It is an amenable number.

1542425021541 is a deficient number, since it is larger than the sum of its proper divisors (729982239219).

1542425021541 is a wasteful number, since it uses less digits than its factorization.

1542425021541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452005 (or 3452002 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 1542425021541 in words is "one trillion, five hundred forty-two billion, four hundred twenty-five million, twenty-one thousand, five hundred forty-one".