103503553511 has 2 divisors, whose sum is σ = 103503553512. Its totient is φ = 103503553510.

The previous prime is 103503553501. The next prime is 103503553513. The reversal of 103503553511 is 115355305301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103503553511 is a prime.

Together with 103503553513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103503553513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51751776755 + 51751776756.

It is an arithmetic number, because the mean of its divisors is an integer number (51751776756).

Almost surely, 2^103503553511 is an apocalyptic number.

103503553511 is a deficient number, since it is larger than the sum of its proper divisors (1).

103503553511 is an equidigital number, since it uses as much as digits as its factorization.

103503553511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16875, while the sum is 32.

Adding to 103503553511 its reverse (115355305301), we get a palindrome (218858858812).

The spelling of 103503553511 in words is "one hundred three billion, five hundred three million, five hundred fifty-three thousand, five hundred eleven".