10955545978 has 16 divisors (see below), whose sum is σ = 18466874496. Its totient is φ = 4836561840.

The previous prime is 10955545967. The next prime is 10955546051. The reversal of 10955545978 is 87954555901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159558 + ... + 9160753.

It is an arithmetic number, because the mean of its divisors is an integer number (1154179656).

Almost surely, 2^10955545978 is an apocalyptic number.

10955545978 is a deficient number, since it is larger than the sum of its proper divisors (7511328518).

10955545978 is a wasteful number, since it uses less digits than its factorization.

10955545978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18320349.

The product of its (nonzero) digits is 11340000, while the sum is 58.

The spelling of 10955545978 in words is "ten billion, nine hundred fifty-five million, five hundred forty-five thousand, nine hundred seventy-eight".