1542161813019 has 8 divisors (see below), whose sum is σ = 2056264066320. Its totient is φ = 1028083717536.

The previous prime is 1542161812973. The next prime is 1542161813033. The reversal of 1542161813019 is 9103181612451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1542161813019 - 2¹² = 1542161808923 is a prime.

It is a super-2 number, since 2×1542161813019² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1542161413019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5889972 + ... + 6146225.

It is an arithmetic number, because the mean of its divisors is an integer number (257033008290).

Almost surely, 2^{1542161813019} is an apocalyptic number.

1542161813019 is a deficient number, since it is larger than the sum of its proper divisors (514102253301).

1542161813019 is a wasteful number, since it uses less digits than its factorization.

1542161813019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12078909.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 1542161813019 in words is "one trillion, five hundred forty-two billion, one hundred sixty-one million, eight hundred thirteen thousand, nineteen".