1306261321150 has 96 divisors (see below), whose sum is σ = 2567310145920. Its totient is φ = 493113744000.

The previous prime is 1306261321133. The next prime is 1306261321291. The reversal of 1306261321150 is 511231626031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306560020 + ... + 306564280.

It is an arithmetic number, because the mean of its divisors is an integer number (26742814020).

Almost surely, 2^{1306261321150} is an apocalyptic number.

1306261321150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306261321150 is a deficient number, since it is larger than the sum of its proper divisors (1261048824770).

1306261321150 is a wasteful number, since it uses less digits than its factorization.

1306261321150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 1306261321150 its reverse (511231626031), we get a palindrome (1817492947181).

The spelling of 1306261321150 in words is "one trillion, three hundred six billion, two hundred sixty-one million, three hundred twenty-one thousand, one hundred fifty".