12177105503 has 2 divisors, whose sum is σ = 12177105504. Its totient is φ = 12177105502.

The previous prime is 12177105467. The next prime is 12177105571. The reversal of 12177105503 is 30550177121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12177105503 - 2⁶ = 12177105439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12177105503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12177105203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6088552751 + 6088552752.

It is an arithmetic number, because the mean of its divisors is an integer number (6088552752).

Almost surely, 2^12177105503 is an apocalyptic number.

12177105503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12177105503 is an equidigital number, since it uses as much as digits as its factorization.

12177105503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 32.

The spelling of 12177105503 in words is "twelve billion, one hundred seventy-seven million, one hundred five thousand, five hundred three".