10136252561 has 2 divisors, whose sum is σ = 10136252562. Its totient is φ = 10136252560.

The previous prime is 10136252549. The next prime is 10136252629. The reversal of 10136252561 is 16525263101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8150658961 + 1985593600 = 90281^2 + 44560^2 .

It is a cyclic number.

It is not a de Polignac number, because 10136252561 - 2¹⁴ = 10136236177 is a prime.

It is not a weakly prime, because it can be changed into another prime (10136252461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068126280 + 5068126281.

It is an arithmetic number, because the mean of its divisors is an integer number (5068126281).

Almost surely, 2^10136252561 is an apocalyptic number.

It is an amenable number.

10136252561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10136252561 is an equidigital number, since it uses as much as digits as its factorization.

10136252561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 10136252561 in words is "ten billion, one hundred thirty-six million, two hundred fifty-two thousand, five hundred sixty-one".