1055278836117 has 48 divisors (see below), whose sum is σ = 1672318327680. Its totient is φ = 635930467200.

The previous prime is 1055278836047. The next prime is 1055278836137. The reversal of 1055278836117 is 7116388725501.

1055278836117 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 278 + 8 + 361 + 1 + 7 = 666.

It is not a de Polignac number, because 1055278836117 - 2⁸ = 1055278835861 is a prime.

It is a super-2 number, since 2×1055278836117² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055278836137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33939184 + ... + 33970262.

It is an arithmetic number, because the mean of its divisors is an integer number (34839965160).

Almost surely, 2^{1055278836117} is an apocalyptic number.

It is an amenable number.

1055278836117 is a deficient number, since it is larger than the sum of its proper divisors (617039491563).

1055278836117 is a wasteful number, since it uses less digits than its factorization.

1055278836117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33034 (or 33031 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 1055278836117 in words is "one trillion, fifty-five billion, two hundred seventy-eight million, eight hundred thirty-six thousand, one hundred seventeen".