1542141403181 has 2 divisors, whose sum is σ = 1542141403182. Its totient is φ = 1542141403180.

The previous prime is 1542141403109. The next prime is 1542141403193. The reversal of 1542141403181 is 1813041412451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1524091480681 + 18049922500 = 1234541^2 + 134350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542141403181 - 2¹⁰ = 1542141402157 is a prime.

It is a super-2 number, since 2×1542141403181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542141402181) by changing a digit.

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 as a sum of consecutive naturals, namely, 771070701590 + 771070701591.

It is an arithmetic number, because the mean of its divisors is an integer number (771070701591).

Almost surely, 2^{1542141403181} is an apocalyptic number.

It is an amenable number.

1542141403181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542141403181 is an equidigital number, since it uses as much as digits as its factorization.

1542141403181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 1542141403181 in words is "one trillion, five hundred forty-two billion, one hundred forty-one million, four hundred three thousand, one hundred eighty-one".