1306263035625 has 40 divisors (see below), whose sum is σ = 2212087405440. Its totient is φ = 685252680000.

The previous prime is 1306263035591. The next prime is 1306263035641. The reversal of 1306263035625 is 5265303626031.

It is not a de Polignac number, because 1306263035625 - 2¹¹ = 1306263033577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5596065 + ... + 5824814.

It is an arithmetic number, because the mean of its divisors is an integer number (55302185136).

Almost surely, 2^{1306263035625} is an apocalyptic number.

1306263035625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1306263035625 is a deficient number, since it is larger than the sum of its proper divisors (905824369815).

1306263035625 is an equidigital number, since it uses as much as digits as its factorization.

1306263035625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11420963 (or 11420948 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 1306263035625 in words is "one trillion, three hundred six billion, two hundred sixty-three million, thirty-five thousand, six hundred twenty-five".