1151304032205 has 12 divisors (see below), whose sum is σ = 1995593655900. Its totient is φ = 614028817152.

The previous prime is 1151304032201. The next prime is 1151304032209. The reversal of 1151304032205 is 5022304031511.

1151304032205 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 30 + 403 + 220 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1151304032201) and next prime (1151304032209).

It can be written as a sum of positive squares in 2 ways, for example, as 416791612836 + 734512419369 = 645594^2 + 857037^2 .

It is not a de Polignac number, because 1151304032205 - 2² = 1151304032201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151304032201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12792266980 + ... + 12792267069.

It is an arithmetic number, because the mean of its divisors is an integer number (166299471325).

Almost surely, 2^{1151304032205} is an apocalyptic number.

1151304032205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151304032205 is a deficient number, since it is larger than the sum of its proper divisors (844289623695).

1151304032205 is a wasteful number, since it uses less digits than its factorization.

1151304032205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25584534060 (or 25584534057 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1151304032205 its reverse (5022304031511), we get a palindrome (6173608063716).

The spelling of 1151304032205 in words is "one trillion, one hundred fifty-one billion, three hundred four million, thirty-two thousand, two hundred five".