103503553061 has 2 divisors, whose sum is σ = 103503553062. Its totient is φ = 103503553060.

The previous prime is 103503553009. The next prime is 103503553081. The reversal of 103503553061 is 160355305301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95561356900 + 7942196161 = 309130^2 + 89119^2 .

It is an emirp because it is prime and its reverse (160355305301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103503553061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103503553081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51751776530 + 51751776531.

It is an arithmetic number, because the mean of its divisors is an integer number (51751776531).

Almost surely, 2^103503553061 is an apocalyptic number.

It is an amenable number.

103503553061 is a deficient number, since it is larger than the sum of its proper divisors (1).

103503553061 is an equidigital number, since it uses as much as digits as its factorization.

103503553061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 32.

Adding to 103503553061 its reverse (160355305301), we get a palindrome (263858858362).

The spelling of 103503553061 in words is "one hundred three billion, five hundred three million, five hundred fifty-three thousand, sixty-one".