1541541672001 has 2 divisors, whose sum is σ = 1541541672002. Its totient is φ = 1541541672000.

The previous prime is 1541541671983. The next prime is 1541541672017. The reversal of 1541541672001 is 1002761451451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1494799664400 + 46742007601 = 1222620^2 + 216199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1541541672001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1541541672031) 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 as a sum of consecutive naturals, namely, 770770836000 + 770770836001.

It is an arithmetic number, because the mean of its divisors is an integer number (770770836001).

Almost surely, 2^{1541541672001} is an apocalyptic number.

It is an amenable number.

1541541672001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541541672001 is an equidigital number, since it uses as much as digits as its factorization.

1541541672001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 1541541672001 in words is "one trillion, five hundred forty-one billion, five hundred forty-one million, six hundred seventy-two thousand, one".