1551288044029 has 2 divisors, whose sum is σ = 1551288044030. Its totient is φ = 1551288044028.

The previous prime is 1551288043997. The next prime is 1551288044069. The reversal of 1551288044029 is 9204408821551.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1112659999929 + 438628044100 = 1054827^2 + 662290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1551288044029 - 2⁵ = 1551288043997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1551288044069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775644022014 + 775644022015.

It is an arithmetic number, because the mean of its divisors is an integer number (775644022015).

Almost surely, 2^{1551288044029} is an apocalyptic number.

It is an amenable number.

1551288044029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551288044029 is an equidigital number, since it uses as much as digits as its factorization.

1551288044029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 1551288044029 in words is "one trillion, five hundred fifty-one billion, two hundred eighty-eight million, forty-four thousand, twenty-nine".