1306055061650 has 24 divisors (see below), whose sum is σ = 2494918159140. Its totient is φ = 508302509760.

The previous prime is 1306055061637. The next prime is 1306055061679. The reversal of 1306055061650 is 561605506031.

It can be written as a sum of positive squares in 6 ways, for example, as 562219534969 + 743835526681 = 749813^2 + 862459^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352986005 + ... + 352989704.

Almost surely, 2^{1306055061650} is an apocalyptic number.

1306055061650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306055061650 is a deficient number, since it is larger than the sum of its proper divisors (1188863097490).

1306055061650 is a wasteful number, since it uses less digits than its factorization.

1306055061650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705975758 (or 705975753 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 1306055061650 in words is "one trillion, three hundred six billion, fifty-five million, sixty-one thousand, six hundred fifty".