1153155673 has 2 divisors, whose sum is σ = 1153155674. Its totient is φ = 1153155672.

The previous prime is 1153155667. The next prime is 1153155697. The reversal of 1153155673 is 3765513511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620607744 + 532547929 = 24912^2 + 23077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153155673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1153156673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576577836 + 576577837.

It is an arithmetic number, because the mean of its divisors is an integer number (576577837).

Almost surely, 2^1153155673 is an apocalyptic number.

It is an amenable number.

1153155673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153155673 is an equidigital number, since it uses as much as digits as its factorization.

1153155673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 37.

The square root of 1153155673 is about 33958.1459005052. The cubic root of 1153155673 is about 1048.6469868318.

The spelling of 1153155673 in words is "one billion, one hundred fifty-three million, one hundred fifty-five thousand, six hundred seventy-three".