1151105723 has 2 divisors, whose sum is σ = 1151105724. Its totient is φ = 1151105722.

The previous prime is 1151105719. The next prime is 1151105759. The reversal of 1151105723 is 3275011511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151105723 - 2² = 1151105719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151105692 and 1151105701.

It is not a weakly prime, because it can be changed into another prime (1151105713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575552861 + 575552862.

It is an arithmetic number, because the mean of its divisors is an integer number (575552862).

Almost surely, 2^1151105723 is an apocalyptic number.

1151105723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151105723 is an equidigital number, since it uses as much as digits as its factorization.

1151105723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 1151105723 is about 33927.9489948921. The cubic root of 1151105723 is about 1048.0252295050.

The spelling of 1151105723 in words is "one billion, one hundred fifty-one million, one hundred five thousand, seven hundred twenty-three".