1550105243153 has 2 divisors, whose sum is σ = 1550105243154. Its totient is φ = 1550105243152.

The previous prime is 1550105243131. The next prime is 1550105243179. The reversal of 1550105243153 is 3513425010551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1441517199424 + 108588043729 = 1200632^2 + 329527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1550105243153 - 2²² = 1550101048849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1550105240153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775052621576 + 775052621577.

It is an arithmetic number, because the mean of its divisors is an integer number (775052621577).

Almost surely, 2^{1550105243153} is an apocalyptic number.

It is an amenable number.

1550105243153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550105243153 is an equidigital number, since it uses as much as digits as its factorization.

1550105243153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1550105243153 in words is "one trillion, five hundred fifty billion, one hundred five million, two hundred forty-three thousand, one hundred fifty-three".