5631119878978 has 24 divisors (see below), whose sum is σ = 9688035216384. Its totient is φ = 2448312988440.

The previous prime is 5631119878871. The next prime is 5631119879027. The reversal of 5631119878978 is 8798789111365.

It is a super-2 number, since 2×5631119878978² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5631119878978.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505844226 + ... + 505855357.

It is an arithmetic number, because the mean of its divisors is an integer number (403668134016).

Almost surely, 2^{5631119878978} is an apocalyptic number.

5631119878978 is a deficient number, since it is larger than the sum of its proper divisors (4056915337406).

5631119878978 is a wasteful number, since it uses less digits than its factorization.

5631119878978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011699630 (or 1011699619 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 73.

The spelling of 5631119878978 in words is "five trillion, six hundred thirty-one billion, one hundred nineteen million, eight hundred seventy-eight thousand, nine hundred seventy-eight".