78011525750446 has 16 divisors (see below), whose sum is σ = 126536842771776. Its totient is φ = 35930214612736.

The previous prime is 78011525750393. The next prime is 78011525750447. The reversal of 78011525750446 is 64405752511087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78011525750447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24409111591 + ... + 24409114786.

It is an arithmetic number, because the mean of its divisors is an integer number (7908552673236).

Almost surely, 2^{78011525750446} is an apocalyptic number.

78011525750446 is a deficient number, since it is larger than the sum of its proper divisors (48525317021330).

78011525750446 is a wasteful number, since it uses less digits than its factorization.

78011525750446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48818226443.

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 78011525750446 in words is "seventy-eight trillion, eleven billion, five hundred twenty-five million, seven hundred fifty thousand, four hundred forty-six".