1291291011283 has 16 divisors (see below), whose sum is σ = 1615335042496. Its totient is φ = 1004931930240.

The previous prime is 1291291011247. The next prime is 1291291011313. The reversal of 1291291011283 is 3821101921921.

It is not a de Polignac number, because 1291291011283 - 2⁹ = 1291291010771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1291291011203) 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, 116306016 + ... + 116317117.

It is an arithmetic number, because the mean of its divisors is an integer number (100958440156).

Almost surely, 2^{1291291011283} is an apocalyptic number.

1291291011283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1291291011283 is a deficient number, since it is larger than the sum of its proper divisors (324044031213).

1291291011283 is a wasteful number, since it uses less digits than its factorization.

1291291011283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232623214.

The product of its (nonzero) digits is 15552, while the sum is 40.

The spelling of 1291291011283 in words is "one trillion, two hundred ninety-one billion, two hundred ninety-one million, eleven thousand, two hundred eighty-three".