1544405051131 has 2 divisors, whose sum is σ = 1544405051132. Its totient is φ = 1544405051130.

The previous prime is 1544405051093. The next prime is 1544405051249. The reversal of 1544405051131 is 1311505044451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1544405051131 - 2⁷ = 1544405051003 is a prime.

It is a super-2 number, since 2×1544405051131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1544405052131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772202525565 + 772202525566.

It is an arithmetic number, because the mean of its divisors is an integer number (772202525566).

Almost surely, 2^{1544405051131} is an apocalyptic number.

1544405051131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1544405051131 is an equidigital number, since it uses as much as digits as its factorization.

1544405051131 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 34.

The spelling of 1544405051131 in words is "one trillion, five hundred forty-four billion, four hundred five million, fifty-one thousand, one hundred thirty-one".