15626261489141 has 2 divisors, whose sum is σ = 15626261489142. Its totient is φ = 15626261489140.

The previous prime is 15626261489087. The next prime is 15626261489159. The reversal of 15626261489141 is 14198416262651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15568627404100 + 57634085041 = 3945710^2 + 240071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15626261489141 is a prime.

It is a super-2 number, since 2×15626261489141² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15626261482141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7813130744570 + 7813130744571.

It is an arithmetic number, because the mean of its divisors is an integer number (7813130744571).

Almost surely, 2^{15626261489141} is an apocalyptic number.

It is an amenable number.

15626261489141 is a deficient number, since it is larger than the sum of its proper divisors (1).

15626261489141 is an equidigital number, since it uses as much as digits as its factorization.

15626261489141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 56.

The spelling of 15626261489141 in words is "fifteen trillion, six hundred twenty-six billion, two hundred sixty-one million, four hundred eighty-nine thousand, one hundred forty-one".