1341552665601 has 16 divisors (see below), whose sum is σ = 1987561891200. Its totient is φ = 894334036464.

The previous prime is 1341552665567. The next prime is 1341552665623. The reversal of 1341552665601 is 1065662551431.

1341552665601 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 5 + 526 + 65 + 60 + 1 = 666.

It is not a de Polignac number, because 1341552665601 - 2³⁵ = 1307192927233 is a prime.

It is a super-2 number, since 2×1341552665601² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1341552665501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230941 + ... + 1654218.

It is an arithmetic number, because the mean of its divisors is an integer number (124222618200).

Almost surely, 2^{1341552665601} is an apocalyptic number.

It is an amenable number.

1341552665601 is a deficient number, since it is larger than the sum of its proper divisors (646009225599).

1341552665601 is a wasteful number, since it uses less digits than its factorization.

1341552665601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911525 (or 1911519 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 1341552665601 in words is "one trillion, three hundred forty-one billion, five hundred fifty-two million, six hundred sixty-five thousand, six hundred one".