128053279553 has 4 divisors (see below), whose sum is σ = 129321133908. Its totient is φ = 126785425200.

The previous prime is 128053279547. The next prime is 128053279559. The reversal of 128053279553 is 355972350821.

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

It is an interprime number because it is at equal distance from previous prime (128053279547) and next prime (128053279559).

It can be written as a sum of positive squares in 2 ways, for example, as 117939356929 + 10113922624 = 343423^2 + 100568^2 .

It is a cyclic number.

It is not a de Polignac number, because 128053279553 - 2²² = 128049085249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128053279559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633927026 + ... + 633927227.

It is an arithmetic number, because the mean of its divisors is an integer number (32330283477).

Almost surely, 2^128053279553 is an apocalyptic number.

It is an amenable number.

128053279553 is a deficient number, since it is larger than the sum of its proper divisors (1267854355).

128053279553 is a wasteful number, since it uses less digits than its factorization.

128053279553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267854354.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 128053279553 in words is "one hundred twenty-eight billion, fifty-three million, two hundred seventy-nine thousand, five hundred fifty-three".