1156325063 has 4 divisors (see below), whose sum is σ = 1167773928. Its totient is φ = 1144876200.

The previous prime is 1156325003. The next prime is 1156325077. The reversal of 1156325063 is 3605236511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3605236511 = 101 ⋅35695411.

It is a cyclic number.

It is not a de Polignac number, because 1156325063 - 2²⁶ = 1089216199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156325003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5724281 + ... + 5724482.

It is an arithmetic number, because the mean of its divisors is an integer number (291943482).

Almost surely, 2^1156325063 is an apocalyptic number.

1156325063 is a deficient number, since it is larger than the sum of its proper divisors (11448865).

1156325063 is a wasteful number, since it uses less digits than its factorization.

1156325063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448864.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1156325063 is about 34004.7800022291. The cubic root of 1156325063 is about 1049.6068257339.

The spelling of 1156325063 in words is "one billion, one hundred fifty-six million, three hundred twenty-five thousand, sixty-three".