12776252541 has 16 divisors (see below), whose sum is σ = 18415157376. Its totient is φ = 7832408256.

The previous prime is 12776252521. The next prime is 12776252609. The reversal of 12776252541 is 14525267721.

It is not a de Polignac number, because 12776252541 - 2⁷ = 12776252413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12776252493 and 12776252502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776252501) 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, 612550 + ... + 633063.

It is an arithmetic number, because the mean of its divisors is an integer number (1150947336).

Almost surely, 2^12776252541 is an apocalyptic number.

It is an amenable number.

12776252541 is a deficient number, since it is larger than the sum of its proper divisors (5638904835).

12776252541 is a wasteful number, since it uses less digits than its factorization.

12776252541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245892.

The product of its digits is 235200, while the sum is 42.

The spelling of 12776252541 in words is "twelve billion, seven hundred seventy-six million, two hundred fifty-two thousand, five hundred forty-one".