1050661025173 has 2 divisors, whose sum is σ = 1050661025174. Its totient is φ = 1050661025172.

The previous prime is 1050661025153. The next prime is 1050661025179. The reversal of 1050661025173 is 3715201660501.

1050661025173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970822001809 + 79839023364 = 985303^2 + 282558^2 .

It is an emirp because it is prime and its reverse (3715201660501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1050661025173 - 2²⁵ = 1050627470741 is a prime.

It is a super-2 number, since 2×1050661025173² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050661025179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525330512586 + 525330512587.

It is an arithmetic number, because the mean of its divisors is an integer number (525330512587).

Almost surely, 2^{1050661025173} is an apocalyptic number.

It is an amenable number.

1050661025173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050661025173 is an equidigital number, since it uses as much as digits as its factorization.

1050661025173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

Adding to 1050661025173 its reverse (3715201660501), we get a palindrome (4765862685674).

The spelling of 1050661025173 in words is "one trillion, fifty billion, six hundred sixty-one million, twenty-five thousand, one hundred seventy-three".