12511767783 has 16 divisors (see below), whose sum is σ = 16779165696. Its totient is φ = 8292914400.

The previous prime is 12511767781. The next prime is 12511767841. The reversal of 12511767783 is 38776711521.

It is not a de Polignac number, because 12511767783 - 2¹ = 12511767781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511767781) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 347058 + ... + 381408.

It is an arithmetic number, because the mean of its divisors is an integer number (1048697856).

Almost surely, 2^12511767783 is an apocalyptic number.

12511767783 is a deficient number, since it is larger than the sum of its proper divisors (4267397913).

12511767783 is a wasteful number, since it uses less digits than its factorization.

12511767783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35054.

The product of its digits is 493920, while the sum is 48.

The spelling of 12511767783 in words is "twelve billion, five hundred eleven million, seven hundred sixty-seven thousand, seven hundred eighty-three".