1153011887 has 2 divisors, whose sum is σ = 1153011888. Its totient is φ = 1153011886.

The previous prime is 1153011883. The next prime is 1153011953. The reversal of 1153011887 is 7881103511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153011887 - 2² = 1153011883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153011883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576505943 + 576505944.

It is an arithmetic number, because the mean of its divisors is an integer number (576505944).

Almost surely, 2^1153011887 is an apocalyptic number.

1153011887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153011887 is an equidigital number, since it uses as much as digits as its factorization.

1153011887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 35.

The square root of 1153011887 is about 33956.0287283422. The cubic root of 1153011887 is about 1048.6034000532.

The spelling of 1153011887 in words is "one billion, one hundred fifty-three million, eleven thousand, eight hundred eighty-seven".