1162553603 has 2 divisors, whose sum is σ = 1162553604. Its totient is φ = 1162553602.

The previous prime is 1162553593. The next prime is 1162553657. The reversal of 1162553603 is 3063552611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1162553603 - 2²⁰ = 1161505027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1162553603.

It is not a weakly prime, because it can be changed into another prime (1162553683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581276801 + 581276802.

It is an arithmetic number, because the mean of its divisors is an integer number (581276802).

Almost surely, 2^1162553603 is an apocalyptic number.

1162553603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162553603 is an equidigital number, since it uses as much as digits as its factorization.

1162553603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1162553603 is about 34096.2403059340. The cubic root of 1162553603 is about 1051.4880196425.

The spelling of 1162553603 in words is "one billion, one hundred sixty-two million, five hundred fifty-three thousand, six hundred three".