1541643340041 has 16 divisors (see below), whose sum is σ = 2610189782400. Its totient is φ = 880939051344.

The previous prime is 1541643340037. The next prime is 1541643340049. The reversal of 1541643340041 is 1400433461451.

1541643340041 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 643 + 3 + 4 + 0 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 1541643340041 - 2² = 1541643340037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1541643339978 and 1541643340005.

It is not an unprimeable number, because it can be changed into a prime (1541643340049) 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, 4078421346 + ... + 4078421723.

It is an arithmetic number, because the mean of its divisors is an integer number (163136861400).

Almost surely, 2^{1541643340041} is an apocalyptic number.

It is an amenable number.

1541643340041 is a deficient number, since it is larger than the sum of its proper divisors (1068546442359).

1541643340041 is an equidigital number, since it uses as much as digits as its factorization.

1541643340041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156843085 (or 8156843079 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 1541643340041 in words is "one trillion, five hundred forty-one billion, six hundred forty-three million, three hundred forty thousand, forty-one".