1156233530089 has 27 divisors (see below), whose sum is σ = 1291037987421. Its totient is φ = 1034723325240.

The previous prime is 1156233530077. The next prime is 1156233530107. The reversal of 1156233530089 is 9800353326511.

The square root of 1156233530089 is 1075283.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1156233530089 - 2⁵ = 1156233530057 is a prime.

It is a super-2 number, since 2×1156233530089² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156233530069) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 792482842 + ... + 792484300.

Almost surely, 2^{1156233530089} is an apocalyptic number.

1156233530089 is the 1075283-rd square number.

1156233530089 is the 537642-nd centered octagonal number.

It is an amenable number.

1156233530089 is a deficient number, since it is larger than the sum of its proper divisors (134804457332).

1156233530089 is an frugal number, since it uses more digits than its factorization.

1156233530089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 1156233530089 in words is "one trillion, one hundred fifty-six billion, two hundred thirty-three million, five hundred thirty thousand, eighty-nine".