1156055023 has 2 divisors, whose sum is σ = 1156055024. Its totient is φ = 1156055022.

The previous prime is 1156055011. The next prime is 1156055039. The reversal of 1156055023 is 3205506511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1156055023 - 2²⁵ = 1122500591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1156054982 and 1156055000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156055053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578027511 + 578027512.

It is an arithmetic number, because the mean of its divisors is an integer number (578027512).

Almost surely, 2^1156055023 is an apocalyptic number.

1156055023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156055023 is an equidigital number, since it uses as much as digits as its factorization.

1156055023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1156055023 is about 34000.8091521364. The cubic root of 1156055023 is about 1049.5251134476.

The spelling of 1156055023 in words is "one billion, one hundred fifty-six million, fifty-five thousand, twenty-three".