67525664124451 has 32 divisors (see below), whose sum is σ = 75517826048000. Its totient is φ = 59958019376640.

The previous prime is 67525664124437. The next prime is 67525664124463. The reversal of 67525664124451 is 15442146652576.

67525664124451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67525664124451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67525664124431) 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 31 ways as a sum of consecutive naturals, for example, 80501530 + ... + 81336016.

It is an arithmetic number, because the mean of its divisors is an integer number (2359932064000).

Almost surely, 2^{67525664124451} is an apocalyptic number.

67525664124451 is a deficient number, since it is larger than the sum of its proper divisors (7992161923549).

67525664124451 is a wasteful number, since it uses less digits than its factorization.

67525664124451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835739.

The product of its digits is 48384000, while the sum is 58.

The spelling of 67525664124451 in words is "sixty-seven trillion, five hundred twenty-five billion, six hundred sixty-four million, one hundred twenty-four thousand, four hundred fifty-one".