1478928839955 has 128 divisors (see below), whose sum is σ = 2944217548800. Its totient is φ = 618574454784.

The previous prime is 1478928839951. The next prime is 1478928839977. The reversal of 1478928839955 is 5599388298741.

It is not a de Polignac number, because 1478928839955 - 2² = 1478928839951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1478928839951) 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 127 ways as a sum of consecutive naturals, for example, 10240236 + ... + 10383654.

It is an arithmetic number, because the mean of its divisors is an integer number (23001699600).

Almost surely, 2^{1478928839955} is an apocalyptic number.

1478928839955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1478928839955 is a deficient number, since it is larger than the sum of its proper divisors (1465288708845).

1478928839955 is a wasteful number, since it uses less digits than its factorization.

1478928839955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143613.

The product of its digits is 1567641600, while the sum is 78.

The spelling of 1478928839955 in words is "one trillion, four hundred seventy-eight billion, nine hundred twenty-eight million, eight hundred thirty-nine thousand, nine hundred fifty-five".