1581380159041 has 8 divisors (see below), whose sum is σ = 1583886639104. Its totient is φ = 1578875664960.

The previous prime is 1581380159039. The next prime is 1581380159071. The reversal of 1581380159041 is 1409510831851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1581380159041 - 2¹ = 1581380159039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1581380158982 and 1581380159000.

It is not an unprimeable number, because it can be changed into a prime (1581380159011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101376 + ... + 2091838.

It is an arithmetic number, because the mean of its divisors is an integer number (197985829888).

Almost surely, 2^{1581380159041} is an apocalyptic number.

It is an amenable number.

1581380159041 is a deficient number, since it is larger than the sum of its proper divisors (2506480063).

1581380159041 is a wasteful number, since it uses less digits than its factorization.

1581380159041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992991.

The product of its (nonzero) digits is 172800, while the sum is 46.

The spelling of 1581380159041 in words is "one trillion, five hundred eighty-one billion, three hundred eighty million, one hundred fifty-nine thousand, forty-one".