11505000655103 has 2 divisors, whose sum is σ = 11505000655104. Its totient is φ = 11505000655102.

The previous prime is 11505000655039. The next prime is 11505000655139. The reversal of 11505000655103 is 30155600050511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11505000655103 - 2⁶ = 11505000655039 is a prime.

It is a super-3 number, since 3×11505000655103³ (a number of 40 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11505000655103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11505000657103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5752500327551 + 5752500327552.

It is an arithmetic number, because the mean of its divisors is an integer number (5752500327552).

Almost surely, 2^{11505000655103} is an apocalyptic number.

11505000655103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11505000655103 is an equidigital number, since it uses as much as digits as its factorization.

11505000655103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 11505000655103 in words is "eleven trillion, five hundred five billion, six hundred fifty-five thousand, one hundred three".