1542357668945 has 16 divisors (see below), whose sum is σ = 1914746074560. Its totient is φ = 1191279117504.

The previous prime is 1542357668903. The next prime is 1542357668989. The reversal of 1542357668945 is 5498667532451.

It is a cyclic number.

It is not a de Polignac number, because 1542357668945 - 2¹² = 1542357664849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2783414 + ... + 3291216.

It is an arithmetic number, because the mean of its divisors is an integer number (119671629660).

Almost surely, 2^{1542357668945} is an apocalyptic number.

It is an amenable number.

1542357668945 is a deficient number, since it is larger than the sum of its proper divisors (372388405615).

1542357668945 is a wasteful number, since it uses less digits than its factorization.

1542357668945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528784.

The product of its digits is 217728000, while the sum is 65.

The spelling of 1542357668945 in words is "one trillion, five hundred forty-two billion, three hundred fifty-seven million, six hundred sixty-eight thousand, nine hundred forty-five".