128278425746054 has 8 divisors (see below), whose sum is σ = 194401325615448. Its totient is φ = 63477983874240.

The previous prime is 128278425745979. The next prime is 128278425746057. The reversal of 128278425746054 is 450647524872821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128278425746057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330614499152 + ... + 330614499539.

It is an arithmetic number, because the mean of its divisors is an integer number (24300165701931).

Almost surely, 2^{128278425746054} is an apocalyptic number.

128278425746054 is a deficient number, since it is larger than the sum of its proper divisors (66122899869394).

128278425746054 is an equidigital number, since it uses as much as digits as its factorization.

128278425746054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661228998790.

The product of its (nonzero) digits is 240844800, while the sum is 65.

The spelling of 128278425746054 in words is "one hundred twenty-eight trillion, two hundred seventy-eight billion, four hundred twenty-five million, seven hundred forty-six thousand, fifty-four".