1158832873081 has 27 divisors (see below), whose sum is σ = 1333260131853. Its totient is φ = 1006562144640.

The previous prime is 1158832873061. The next prime is 1158832873091. The reversal of 1158832873081 is 1803782388511.

The square root of 1158832873081 is 1076491.

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

It can be written as a sum of positive squares in 4 ways, for example, as 10463448681 + 1148369424400 = 102291^2 + 1071620^2 .

It is not a de Polignac number, because 1158832873081 - 2²⁷ = 1158698655353 is a prime.

It is a super-2 number, since 2×1158832873081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1158832873001) 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, 237902076 + ... + 237906946.

Almost surely, 2^{1158832873081} is an apocalyptic number.

1158832873081 is the 1076491-st square number.

1158832873081 is the 538246-th centered octagonal number.

It is an amenable number.

1158832873081 is a deficient number, since it is larger than the sum of its proper divisors (174427258772).

1158832873081 is an frugal number, since it uses more digits than its factorization.

1158832873081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802 (or 4901 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 55.

The spelling of 1158832873081 in words is "one trillion, one hundred fifty-eight billion, eight hundred thirty-two million, eight hundred seventy-three thousand, eighty-one".