1103638411 has 2 divisors, whose sum is σ = 1103638412. Its totient is φ = 1103638410.

The previous prime is 1103638337. The next prime is 1103638421. The reversal of 1103638411 is 1148363011.

It is a strong prime.

It is an emirp because it is prime and its reverse (1148363011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103638411 - 2¹⁹ = 1103114123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103638411.

It is not a weakly prime, because it can be changed into another prime (1103638421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551819205 + 551819206.

It is an arithmetic number, because the mean of its divisors is an integer number (551819206).

Almost surely, 2^1103638411 is an apocalyptic number.

1103638411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103638411 is an equidigital number, since it uses as much as digits as its factorization.

1103638411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1103638411 is about 33221.0537310303. The cubic root of 1103638411 is about 1033.4170020933.

The spelling of 1103638411 in words is "one billion, one hundred three million, six hundred thirty-eight thousand, four hundred eleven".