1103533157 has 2 divisors, whose sum is σ = 1103533158. Its totient is φ = 1103533156.

The previous prime is 1103533141. The next prime is 1103533213. The reversal of 1103533157 is 7513353011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102173601 + 1359556 = 33199^2 + 1166^2 .

It is an emirp because it is prime and its reverse (7513353011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103533157 - 2⁴ = 1103533141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103533757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551766578 + 551766579.

It is an arithmetic number, because the mean of its divisors is an integer number (551766579).

Almost surely, 2^1103533157 is an apocalyptic number.

It is an amenable number.

1103533157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103533157 is an equidigital number, since it uses as much as digits as its factorization.

1103533157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 1103533157 is about 33219.4695472399. The cubic root of 1103533157 is about 1033.3841487208.

Adding to 1103533157 its reverse (7513353011), we get a palindrome (8616886168).

The spelling of 1103533157 in words is "one billion, one hundred three million, five hundred thirty-three thousand, one hundred fifty-seven".