10851914978 has 8 divisors (see below), whose sum is σ = 16345981440. Its totient is φ = 5403254500.

The previous prime is 10851914939. The next prime is 10851915029. The reversal of 10851914978 is 87941915801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11350898 + ... + 11351853.

It is an arithmetic number, because the mean of its divisors is an integer number (2043247680).

Almost surely, 2^10851914978 is an apocalyptic number.

10851914978 is a deficient number, since it is larger than the sum of its proper divisors (5494066462).

10851914978 is a wasteful number, since it uses less digits than its factorization.

10851914978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22702992.

The product of its (nonzero) digits is 725760, while the sum is 53.

The spelling of 10851914978 in words is "ten billion, eight hundred fifty-one million, nine hundred fourteen thousand, nine hundred seventy-eight".