1361330055 has 24 divisors (see below), whose sum is σ = 2363336352. Its totient is φ = 724905024.

The previous prime is 1361330051. The next prime is 1361330057. The reversal of 1361330055 is 5500331631.

1361330055 is a `hidden beast` number, since 13 + 613 + 30 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 1361330055 - 2² = 1361330051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361330051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5737 + ... + 52493.

It is an arithmetic number, because the mean of its divisors is an integer number (98472348).

Almost surely, 2^1361330055 is an apocalyptic number.

1361330055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1361330055 is a deficient number, since it is larger than the sum of its proper divisors (1002006297).

1361330055 is a wasteful number, since it uses less digits than its factorization.

1361330055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47415 (or 47412 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 1361330055 is about 36896.2065123232. The cubic root of 1361330055 is about 1108.2927126022.

Adding to 1361330055 its reverse (5500331631), we get a palindrome (6861661686).

The spelling of 1361330055 in words is "one billion, three hundred sixty-one million, three hundred thirty thousand, fifty-five".