1361515217041 has 16 divisors (see below), whose sum is σ = 1607202792448. Its totient is φ = 1128670459200.

The previous prime is 1361515217039. The next prime is 1361515217059. The reversal of 1361515217041 is 1407125151631.

It is a cyclic number.

It is not a de Polignac number, because 1361515217041 - 2¹ = 1361515217039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361515227041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583550 + ... + 2287063.

It is an arithmetic number, because the mean of its divisors is an integer number (100450174528).

Almost surely, 2^{1361515217041} is an apocalyptic number.

It is an amenable number.

1361515217041 is a deficient number, since it is larger than the sum of its proper divisors (245687575407).

1361515217041 is a wasteful number, since it uses less digits than its factorization.

1361515217041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872272.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 1361515217041 in words is "one trillion, three hundred sixty-one billion, five hundred fifteen million, two hundred seventeen thousand, forty-one".