1361433505145 has 64 divisors (see below), whose sum is σ = 1927885639680. Its totient is φ = 903723705600.

The previous prime is 1361433505123. The next prime is 1361433505169. The reversal of 1361433505145 is 5415053341631.

It is not a de Polignac number, because 1361433505145 - 2¹² = 1361433501049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53291075 + ... + 53316615.

It is an arithmetic number, because the mean of its divisors is an integer number (30123213120).

Almost surely, 2^{1361433505145} is an apocalyptic number.

It is an amenable number.

1361433505145 is a deficient number, since it is larger than the sum of its proper divisors (566452134535).

1361433505145 is a wasteful number, since it uses less digits than its factorization.

1361433505145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26006.

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 1361433505145 its reverse (5415053341631), we get a palindrome (6776486846776).

The spelling of 1361433505145 in words is "one trillion, three hundred sixty-one billion, four hundred thirty-three million, five hundred five thousand, one hundred forty-five".