1542424138541 has 16 divisors (see below), whose sum is σ = 1890864743040. Its totient is φ = 1238066195520.

The previous prime is 1542424138517. The next prime is 1542424138547. The reversal of 1542424138541 is 1458314242451.

It is a de Polignac number, because none of the positive numbers 2^k-1542424138541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542424138492 and 1542424138501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542424138547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234478946 + ... + 234485523.

It is an arithmetic number, because the mean of its divisors is an integer number (118179046440).

Almost surely, 2^{1542424138541} is an apocalyptic number.

1542424138541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1542424138541 is a deficient number, since it is larger than the sum of its proper divisors (348440604499).

1542424138541 is a wasteful number, since it uses less digits than its factorization.

1542424138541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468964516.

The product of its digits is 614400, while the sum is 44.

The spelling of 1542424138541 in words is "one trillion, five hundred forty-two billion, four hundred twenty-four million, one hundred thirty-eight thousand, five hundred forty-one".