1341550012009 has 9 divisors (see below), whose sum is σ = 1386258915069. Its totient is φ = 1298239457580.

The previous prime is 1341550011937. The next prime is 1341550012079. The reversal of 1341550012009 is 9002100551431.

The square root of 1341550012009 is 1158253.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1341550012009 - 2¹⁹ = 1341549487721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341550012079) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35887162 + ... + 35924524.

It is an arithmetic number, because the mean of its divisors is an integer number (154028768341).

Almost surely, 2^{1341550012009} is an apocalyptic number.

1341550012009 is the 1158253-rd square number.

1341550012009 is the 579127-th centered octagonal number.

It is an amenable number.

1341550012009 is a deficient number, since it is larger than the sum of its proper divisors (44708903060).

1341550012009 is an frugal number, since it uses more digits than its factorization.

1341550012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74788 (or 37394 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1341550012009 in words is "one trillion, three hundred forty-one billion, five hundred fifty million, twelve thousand, nine".