1541941894081 has 8 divisors (see below), whose sum is σ = 1556408145600. Its totient is φ = 1527481460880.

The previous prime is 1541941894067. The next prime is 1541941894111. The reversal of 1541941894081 is 1804981491451.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1541941894081 is a prime.

It is a super-2 number, since 2×1541941894081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1541941894981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921151 + ... + 1983028.

It is an arithmetic number, because the mean of its divisors is an integer number (194551018200).

Almost surely, 2^{1541941894081} is an apocalyptic number.

It is an amenable number.

1541941894081 is a deficient number, since it is larger than the sum of its proper divisors (14466251519).

1541941894081 is a wasteful number, since it uses less digits than its factorization.

1541941894081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909159.

The product of its (nonzero) digits is 1658880, while the sum is 55.

The spelling of 1541941894081 in words is "one trillion, five hundred forty-one billion, nine hundred forty-one million, eight hundred ninety-four thousand, eighty-one".