1233412515545 has 32 divisors (see below), whose sum is σ = 1791154964736. Its totient is φ = 795966105600.

The previous prime is 1233412515523. The next prime is 1233412515563. The reversal of 1233412515545 is 5455152143321.

It is not a de Polignac number, because 1233412515545 - 2⁶ = 1233412515481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10581230 + ... + 10697160.

It is an arithmetic number, because the mean of its divisors is an integer number (55973592648).

Almost surely, 2^{1233412515545} is an apocalyptic number.

It is an amenable number.

1233412515545 is a deficient number, since it is larger than the sum of its proper divisors (557742449191).

1233412515545 is a wasteful number, since it uses less digits than its factorization.

1233412515545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133841.

The product of its digits is 360000, while the sum is 41.

Adding to 1233412515545 its reverse (5455152143321), we get a palindrome (6688564658866).

The spelling of 1233412515545 in words is "one trillion, two hundred thirty-three billion, four hundred twelve million, five hundred fifteen thousand, five hundred forty-five".