1291145907306 has 16 divisors (see below), whose sum is σ = 2584918776384. Its totient is φ = 429944142144.

The previous prime is 1291145907281. The next prime is 1291145907329. The reversal of 1291145907306 is 6037095411921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109450351 + ... + 109462146.

It is an arithmetic number, because the mean of its divisors is an integer number (161557423524).

Almost surely, 2^{1291145907306} is an apocalyptic number.

1291145907306 is an abundant number, since it is smaller than the sum of its proper divisors (1293772869078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1291145907306 is a wasteful number, since it uses less digits than its factorization.

1291145907306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218913485.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 1291145907306 in words is "one trillion, two hundred ninety-one billion, one hundred forty-five million, nine hundred seven thousand, three hundred six".