1540054305401 has 2 divisors, whose sum is σ = 1540054305402. Its totient is φ = 1540054305400.

The previous prime is 1540054305379. The next prime is 1540054305409. The reversal of 1540054305401 is 1045034500451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 977134227001 + 562920078400 = 988501^2 + 750280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1540054305401 - 2¹⁸ = 1540054043257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1540054305409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770027152700 + 770027152701.

It is an arithmetic number, because the mean of its divisors is an integer number (770027152701).

Almost surely, 2^{1540054305401} is an apocalyptic number.

It is an amenable number.

1540054305401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540054305401 is an equidigital number, since it uses as much as digits as its factorization.

1540054305401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 1540054305401 its reverse (1045034500451), we get a palindrome (2585088805852).

The spelling of 1540054305401 in words is "one trillion, five hundred forty billion, fifty-four million, three hundred five thousand, four hundred one".