103561161533 has 2 divisors, whose sum is σ = 103561161534. Its totient is φ = 103561161532.

The previous prime is 103561161481. The next prime is 103561161551. The reversal of 103561161533 is 335161165301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99485360569 + 4075800964 = 315413^2 + 63842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103561161533 is a prime.

It is a super-3 number, since 3×103561161533³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103561161493 and 103561161502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103561161233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51780580766 + 51780580767.

It is an arithmetic number, because the mean of its divisors is an integer number (51780580767).

Almost surely, 2^103561161533 is an apocalyptic number.

It is an amenable number.

103561161533 is a deficient number, since it is larger than the sum of its proper divisors (1).

103561161533 is an equidigital number, since it uses as much as digits as its factorization.

103561161533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The spelling of 103561161533 in words is "one hundred three billion, five hundred sixty-one million, one hundred sixty-one thousand, five hundred thirty-three".