1153891199 has 2 divisors, whose sum is σ = 1153891200. Its totient is φ = 1153891198.

The previous prime is 1153891187. The next prime is 1153891229. The reversal of 1153891199 is 9911983511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153891199 - 2⁴ = 1153891183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153891169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576945599 + 576945600.

It is an arithmetic number, because the mean of its divisors is an integer number (576945600).

Almost surely, 2^1153891199 is an apocalyptic number.

1153891199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153891199 is an equidigital number, since it uses as much as digits as its factorization.

1153891199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 47.

The square root of 1153891199 is about 33968.9740645784. The cubic root of 1153891199 is about 1048.8698949237.

The spelling of 1153891199 in words is "one billion, one hundred fifty-three million, eight hundred ninety-one thousand, one hundred ninety-nine".