10778315655 has 32 divisors (see below), whose sum is σ = 17648953344. Its totient is φ = 5614396416.

The previous prime is 10778315609. The next prime is 10778315657. The reversal of 10778315655 is 55651387701.

It is not a de Polignac number, because 10778315655 - 2⁹ = 10778315143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10778315657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327639 + ... + 359031.

It is an arithmetic number, because the mean of its divisors is an integer number (551529792).

Almost surely, 2^10778315655 is an apocalyptic number.

10778315655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10778315655 is a deficient number, since it is larger than the sum of its proper divisors (6870637689).

10778315655 is a wasteful number, since it uses less digits than its factorization.

10778315655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31935.

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 10778315655 in words is "ten billion, seven hundred seventy-eight million, three hundred fifteen thousand, six hundred fifty-five".