1542141403111 has 4 divisors (see below), whose sum is σ = 1632855603312. Its totient is φ = 1451427202912.

The previous prime is 1542141403109. The next prime is 1542141403181. The reversal of 1542141403111 is 1113041412451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1542141403111 - 2¹ = 1542141403109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542141403111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542141403181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45357100075 + ... + 45357100108.

It is an arithmetic number, because the mean of its divisors is an integer number (408213900828).

Almost surely, 2^{1542141403111} is an apocalyptic number.

1542141403111 is a deficient number, since it is larger than the sum of its proper divisors (90714200201).

1542141403111 is an equidigital number, since it uses as much as digits as its factorization.

1542141403111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90714200200.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 1542141403111 its reverse (1113041412451), we get a palindrome (2655182815562).

The spelling of 1542141403111 in words is "one trillion, five hundred forty-two billion, one hundred forty-one million, four hundred three thousand, one hundred eleven".