1153541117 has 2 divisors, whose sum is σ = 1153541118. Its totient is φ = 1153541116.

The previous prime is 1153541107. The next prime is 1153541197. The reversal of 1153541117 is 7111453511.

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., 672572356 + 480968761 = 25934^2 + 21931^2 .

It is an emirp because it is prime and its reverse (7111453511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1153541117 - 2¹⁶ = 1153475581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153541117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153541107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576770558 + 576770559.

It is an arithmetic number, because the mean of its divisors is an integer number (576770559).

Almost surely, 2^1153541117 is an apocalyptic number.

It is an amenable number.

1153541117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153541117 is an equidigital number, since it uses as much as digits as its factorization.

1153541117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 29.

The square root of 1153541117 is about 33963.8207067462. The cubic root of 1153541117 is about 1048.7638110886.

Adding to 1153541117 its reverse (7111453511), we get a palindrome (8264994628).

The spelling of 1153541117 in words is "one billion, one hundred fifty-three million, five hundred forty-one thousand, one hundred seventeen".