10561251701629 has 2 divisors, whose sum is σ = 10561251701630. Its totient is φ = 10561251701628.

The previous prime is 10561251701569. The next prime is 10561251701641. The reversal of 10561251701629 is 92610715216501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9883761384025 + 677490317604 = 3143845^2 + 823098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10561251701629 is a prime.

It is a super-2 number, since 2×10561251701629² (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 (10561255701629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5280625850814 + 5280625850815.

It is an arithmetic number, because the mean of its divisors is an integer number (5280625850815).

Almost surely, 2^{10561251701629} is an apocalyptic number.

It is an amenable number.

10561251701629 is a deficient number, since it is larger than the sum of its proper divisors (1).

10561251701629 is an equidigital number, since it uses as much as digits as its factorization.

10561251701629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 10561251701629 in words is "ten trillion, five hundred sixty-one billion, two hundred fifty-one million, seven hundred one thousand, six hundred twenty-nine".