10778909009 has 16 divisors (see below), whose sum is σ = 11814707520. Its totient is φ = 9752540160.

The previous prime is 10778908999. The next prime is 10778909023. The reversal of 10778909009 is 90090987701.

It is a de Polignac number, because none of the positive numbers 2^k-10778909009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10778909059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2276957 + ... + 2281685.

It is an arithmetic number, because the mean of its divisors is an integer number (738419220).

Almost surely, 2^10778909009 is an apocalyptic number.

It is an amenable number.

10778909009 is a deficient number, since it is larger than the sum of its proper divisors (1035798511).

10778909009 is a wasteful number, since it uses less digits than its factorization.

10778909009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680.

The product of its (nonzero) digits is 285768, while the sum is 50.

The spelling of 10778909009 in words is "ten billion, seven hundred seventy-eight million, nine hundred nine thousand, nine".