1542375139665 has 8 divisors (see below), whose sum is σ = 2467800223488. Its totient is φ = 822600074480.

The previous prime is 1542375139619. The next prime is 1542375139673. The reversal of 1542375139665 is 5669315732451.

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

It is not a de Polignac number, because 1542375139665 - 2¹⁴ = 1542375123281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51412504641 + ... + 51412504670.

It is an arithmetic number, because the mean of its divisors is an integer number (308475027936).

Almost surely, 2^{1542375139665} is an apocalyptic number.

1542375139665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1542375139665 is a deficient number, since it is larger than the sum of its proper divisors (925425083823).

1542375139665 is a wasteful number, since it uses less digits than its factorization.

1542375139665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102825009319.

The product of its digits is 20412000, while the sum is 57.

The spelling of 1542375139665 in words is "one trillion, five hundred forty-two billion, three hundred seventy-five million, one hundred thirty-nine thousand, six hundred sixty-five".