1541013132121 has 2 divisors, whose sum is σ = 1541013132122. Its totient is φ = 1541013132120.

The previous prime is 1541013132101. The next prime is 1541013132227. The reversal of 1541013132121 is 1212313101451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1289214910096 + 251798222025 = 1135436^2 + 501795^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541013132121 - 2²⁹ = 1540476261209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1541013132101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770506566060 + 770506566061.

It is an arithmetic number, because the mean of its divisors is an integer number (770506566061).

Almost surely, 2^{1541013132121} is an apocalyptic number.

It is an amenable number.

1541013132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541013132121 is an equidigital number, since it uses as much as digits as its factorization.

1541013132121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 1541013132121 its reverse (1212313101451), we get a palindrome (2753326233572).

The spelling of 1541013132121 in words is "one trillion, five hundred forty-one billion, thirteen million, one hundred thirty-two thousand, one hundred twenty-one".