1250250147161 has 2 divisors, whose sum is σ = 1250250147162. Its totient is φ = 1250250147160.

The previous prime is 1250250147077. The next prime is 1250250147259. The reversal of 1250250147161 is 1617410520521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705541201225 + 544708945936 = 839965^2 + 738044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1250250147161 is a prime.

It is a super-4 number, since 4×1250250147161⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1250250143161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625125073580 + 625125073581.

It is an arithmetic number, because the mean of its divisors is an integer number (625125073581).

Almost surely, 2^{1250250147161} is an apocalyptic number.

It is an amenable number.

1250250147161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250250147161 is an equidigital number, since it uses as much as digits as its factorization.

1250250147161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 35.

Adding to 1250250147161 its reverse (1617410520521), we get a palindrome (2867660667682).

The spelling of 1250250147161 in words is "one trillion, two hundred fifty billion, two hundred fifty million, one hundred forty-seven thousand, one hundred sixty-one".