556111667278 has 8 divisors (see below), whose sum is σ = 834250294080. Its totient is φ = 278028235920.

The previous prime is 556111667239. The next prime is 556111667291. The reversal of 556111667278 is 872766111655.

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

It is a congruent number.

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, 13773663 + ... + 13813978.

It is an arithmetic number, because the mean of its divisors is an integer number (104281286760).

Almost surely, 2^556111667278 is an apocalyptic number.

556111667278 is a deficient number, since it is larger than the sum of its proper divisors (278138626802).

556111667278 is a wasteful number, since it uses less digits than its factorization.

556111667278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27597722.

The product of its digits is 4233600, while the sum is 55.

The spelling of 556111667278 in words is "five hundred fifty-six billion, one hundred eleven million, six hundred sixty-seven thousand, two hundred seventy-eight".