1234545541066 has 4 divisors (see below), whose sum is σ = 1851818311602. Its totient is φ = 617272770532.

The previous prime is 1234545541049. The next prime is 1234545541067. The reversal of 1234545541066 is 6601455454321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 626100300225 + 608445240841 = 791265^2 + 780029^2 .

It is not an unprimeable number, because it can be changed into a prime (1234545541067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308636385265 + ... + 308636385268.

Almost surely, 2^{1234545541066} is an apocalyptic number.

1234545541066 is a deficient number, since it is larger than the sum of its proper divisors (617272770536).

1234545541066 is an equidigital number, since it uses as much as digits as its factorization.

1234545541066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617272770535.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 1234545541066 in words is "one trillion, two hundred thirty-four billion, five hundred forty-five million, five hundred forty-one thousand, sixty-six".