1103553959 has 2 divisors, whose sum is σ = 1103553960. Its totient is φ = 1103553958.

The previous prime is 1103553931. The next prime is 1103553967. The reversal of 1103553959 is 9593553011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103553959 - 2²⁸ = 835118503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103553359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551776979 + 551776980.

It is an arithmetic number, because the mean of its divisors is an integer number (551776980).

Almost surely, 2^1103553959 is an apocalyptic number.

1103553959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103553959 is an equidigital number, since it uses as much as digits as its factorization.

1103553959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91125, while the sum is 41.

The square root of 1103553959 is about 33219.7826452853. The cubic root of 1103553959 is about 1033.3906419020.

The spelling of 1103553959 in words is "one billion, one hundred three million, five hundred fifty-three thousand, nine hundred fifty-nine".