2851118151978 has 32 divisors (see below), whose sum is σ = 5723559507456. Its totient is φ = 946819735488.

The previous prime is 2851118151967. The next prime is 2851118151991. The reversal of 2851118151978 is 8791518111582.

It is a super-3 number, since 3×2851118151978³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13277575 + ... + 13490597.

It is an arithmetic number, because the mean of its divisors is an integer number (178861234608).

Almost surely, 2^{2851118151978} is an apocalyptic number.

2851118151978 is an abundant number, since it is smaller than the sum of its proper divisors (2872441355478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2851118151978 is a wasteful number, since it uses less digits than its factorization.

2851118151978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221358.

The product of its digits is 1612800, while the sum is 57.

The spelling of 2851118151978 in words is "two trillion, eight hundred fifty-one billion, one hundred eighteen million, one hundred fifty-one thousand, nine hundred seventy-eight".