5616991078225 has 24 divisors (see below), whose sum is σ = 7205667111360. Its totient is φ = 4338386445120.

The previous prime is 5616991078219. The next prime is 5616991078243. The reversal of 5616991078225 is 5228701996165.

It is a de Polignac number, because none of the positive numbers 2^k-5616991078225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12618804 + ... + 13056346.

It is an arithmetic number, because the mean of its divisors is an integer number (300236129640).

Almost surely, 2^{5616991078225} is an apocalyptic number.

It is an amenable number.

5616991078225 is a deficient number, since it is larger than the sum of its proper divisors (1588676033135).

5616991078225 is a wasteful number, since it uses less digits than its factorization.

5616991078225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455289 (or 455284 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 5616991078225 in words is "five trillion, six hundred sixteen billion, nine hundred ninety-one million, seventy-eight thousand, two hundred twenty-five".