1206451411165 has 32 divisors (see below), whose sum is σ = 1943821022976. Its totient is φ = 694221788160.

The previous prime is 1206451411153. The next prime is 1206451411211. The reversal of 1206451411165 is 5611141546021.

It is not a de Polignac number, because 1206451411165 - 2¹³ = 1206451402973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120519612 + ... + 120529621.

It is an arithmetic number, because the mean of its divisors is an integer number (60744406968).

Almost surely, 2^{1206451411165} is an apocalyptic number.

It is an amenable number.

1206451411165 is a deficient number, since it is larger than the sum of its proper divisors (737369611811).

1206451411165 is a wasteful number, since it uses less digits than its factorization.

1206451411165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241049269.

The product of its (nonzero) digits is 28800, while the sum is 37.

Adding to 1206451411165 its reverse (5611141546021), we get a palindrome (6817592957186).

The spelling of 1206451411165 in words is "one trillion, two hundred six billion, four hundred fifty-one million, four hundred eleven thousand, one hundred sixty-five".