6126551634541 has 4 divisors (see below), whose sum is σ = 6597824837212. Its totient is φ = 5655278431872.

The previous prime is 6126551634503. The next prime is 6126551634547. The reversal of 6126551634541 is 1454361556216.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3298386293316 + 2828165341225 = 1816146^2 + 1681715^2 .

It is a cyclic number.

It is not a de Polignac number, because 6126551634541 - 2²¹ = 6126549537389 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 (6126551634547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235636601316 + ... + 235636601341.

It is an arithmetic number, because the mean of its divisors is an integer number (1649456209303).

Almost surely, 2^{6126551634541} is an apocalyptic number.

It is an amenable number.

6126551634541 is a deficient number, since it is larger than the sum of its proper divisors (471273202671).

6126551634541 is a wasteful number, since it uses less digits than its factorization.

6126551634541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471273202670.

The product of its digits is 2592000, while the sum is 49.

The spelling of 6126551634541 in words is "six trillion, one hundred twenty-six billion, five hundred fifty-one million, six hundred thirty-four thousand, five hundred forty-one".