1306100406261 has 16 divisors (see below), whose sum is σ = 1992197583488. Its totient is φ = 745612084800.

The previous prime is 1306100406227. The next prime is 1306100406283. The reversal of 1306100406261 is 1626040016031.

It is not a de Polignac number, because 1306100406261 - 2⁶ = 1306100406197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306100406161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30436570 + ... + 30479451.

It is an arithmetic number, because the mean of its divisors is an integer number (124512348968).

Almost surely, 2^{1306100406261} is an apocalyptic number.

It is an amenable number.

1306100406261 is a deficient number, since it is larger than the sum of its proper divisors (686097177227).

1306100406261 is a wasteful number, since it uses less digits than its factorization.

1306100406261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60917052.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 1306100406261 in words is "one trillion, three hundred six billion, one hundred million, four hundred six thousand, two hundred sixty-one".