1206455333645 has 32 divisors (see below), whose sum is σ = 1494574937856. Its totient is φ = 934330867200.

The previous prime is 1206455333627. The next prime is 1206455333647. The reversal of 1206455333645 is 5463335546021.

It is not a de Polignac number, because 1206455333645 - 2¹² = 1206455329549 is a prime.

It is a super-3 number, since 3×1206455333645³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1206455333645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206455333647) 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, 19517327 + ... + 19579043.

It is an arithmetic number, because the mean of its divisors is an integer number (46705466808).

Almost surely, 2^{1206455333645} is an apocalyptic number.

It is an amenable number.

1206455333645 is a deficient number, since it is larger than the sum of its proper divisors (288119604211).

1206455333645 is a wasteful number, since it uses less digits than its factorization.

1206455333645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62501.

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 1206455333645 in words is "one trillion, two hundred six billion, four hundred fifty-five million, three hundred thirty-three thousand, six hundred forty-five".