12761560219551 has 96 divisors (see below), whose sum is σ = 20451733473024. Its totient is φ = 7029496742400.

The previous prime is 12761560219543. The next prime is 12761560219649. The reversal of 12761560219551 is 15591206516721.

It is not a de Polignac number, because 12761560219551 - 2³ = 12761560219543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12761560219494 and 12761560219503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12761560219511) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 779990611 + ... + 780006971.

It is an arithmetic number, because the mean of its divisors is an integer number (213038890344).

Almost surely, 2^{12761560219551} is an apocalyptic number.

12761560219551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12761560219551 is a deficient number, since it is larger than the sum of its proper divisors (7690173253473).

12761560219551 is a wasteful number, since it uses less digits than its factorization.

12761560219551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18933 (or 18922 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 12761560219551 in words is "twelve trillion, seven hundred sixty-one billion, five hundred sixty million, two hundred nineteen thousand, five hundred fifty-one".