1542889045841 has 32 divisors (see below), whose sum is σ = 1818738230400. Its totient is φ = 1290368217600.

The previous prime is 1542889045717. The next prime is 1542889045849. The reversal of 1542889045841 is 1485409882451.

It is not a de Polignac number, because 1542889045841 - 2¹⁴ = 1542889029457 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1542889045849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263783885 + ... + 263789733.

It is an arithmetic number, because the mean of its divisors is an integer number (56835569700).

Almost surely, 2^{1542889045841} is an apocalyptic number.

1542889045841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1542889045841 is a deficient number, since it is larger than the sum of its proper divisors (275849184559).

1542889045841 is a wasteful number, since it uses less digits than its factorization.

1542889045841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11777.

The product of its (nonzero) digits is 14745600, while the sum is 59.

The spelling of 1542889045841 in words is "one trillion, five hundred forty-two billion, eight hundred eighty-nine million, forty-five thousand, eight hundred forty-one".