11103403537 has 2 divisors, whose sum is σ = 11103403538. Its totient is φ = 11103403536.

The previous prime is 11103403529. The next prime is 11103403603. The reversal of 11103403537 is 73530430111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5873076496 + 5230327041 = 76636^2 + 72321^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103403537 - 2³ = 11103403529 is a prime.

It is a super-2 number, since 2×11103403537² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11103403037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551701768 + 5551701769.

It is an arithmetic number, because the mean of its divisors is an integer number (5551701769).

Almost surely, 2^11103403537 is an apocalyptic number.

It is an amenable number.

11103403537 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103403537 is an equidigital number, since it uses as much as digits as its factorization.

11103403537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 11103403537 its reverse (73530430111), we get a palindrome (84633833648).

The spelling of 11103403537 in words is "eleven billion, one hundred three million, four hundred three thousand, five hundred thirty-seven".