1162181022025 has 27 divisors (see below), whose sum is σ = 1448555118663. Its totient is φ = 924962610000.

The previous prime is 1162181022011. The next prime is 1162181022071. The reversal of 1162181022025 is 5202201812611.

The square root of 1162181022025 is 1078045.

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

It can be written as a sum of positive squares in only one way, i.e., 418385167929 + 743795854096 = 646827^2 + 862436^2 .

It is not a de Polignac number, because 1162181022025 - 2¹¹ = 1162181019977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1352946046 + ... + 1352946904.

Almost surely, 2^{1162181022025} is an apocalyptic number.

1162181022025 is the 1078045-th square number.

1162181022025 is the 539023-rd centered octagonal number.

It is an amenable number.

1162181022025 is a deficient number, since it is larger than the sum of its proper divisors (286374096638).

1162181022025 is an frugal number, since it uses more digits than its factorization.

1162181022025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

Adding to 1162181022025 its reverse (5202201812611), we get a palindrome (6364382834636).

The spelling of 1162181022025 in words is "one trillion, one hundred sixty-two billion, one hundred eighty-one million, twenty-two thousand, twenty-five".