1625134721141 has 2 divisors, whose sum is σ = 1625134721142. Its totient is φ = 1625134721140.

The previous prime is 1625134721053. The next prime is 1625134721167. The reversal of 1625134721141 is 1411274315261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1523965560100 + 101169161041 = 1234490^2 + 318071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1625134721141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1625134721095 and 1625134721104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625134721941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812567360570 + 812567360571.

It is an arithmetic number, because the mean of its divisors is an integer number (812567360571).

Almost surely, 2^{1625134721141} is an apocalyptic number.

It is an amenable number.

1625134721141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625134721141 is an equidigital number, since it uses as much as digits as its factorization.

1625134721141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The spelling of 1625134721141 in words is "one trillion, six hundred twenty-five billion, one hundred thirty-four million, seven hundred twenty-one thousand, one hundred forty-one".