1126387807783 has 4 divisors (see below), whose sum is σ = 1287300351760. Its totient is φ = 965475263808.

The previous prime is 1126387807733. The next prime is 1126387807807. The reversal of 1126387807783 is 3877087836211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126387807783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126387807733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80456271978 + ... + 80456271991.

It is an arithmetic number, because the mean of its divisors is an integer number (321825087940).

Almost surely, 2^{1126387807783} is an apocalyptic number.

1126387807783 is a deficient number, since it is larger than the sum of its proper divisors (160912543977).

1126387807783 is an equidigital number, since it uses as much as digits as its factorization.

1126387807783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160912543976.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 1126387807783 in words is "one trillion, one hundred twenty-six billion, three hundred eighty-seven million, eight hundred seven thousand, seven hundred eighty-three".