56178121228 has 6 divisors (see below), whose sum is σ = 98311712156. Its totient is φ = 28089060612.

The previous prime is 56178121213. The next prime is 56178121243. The reversal of 56178121228 is 82212187165.

It is an interprime number because it is at equal distance from previous prime (56178121213) and next prime (56178121243).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7022265150 + ... + 7022265157.

Almost surely, 2^56178121228 is an apocalyptic number.

It is an amenable number.

56178121228 is a deficient number, since it is larger than the sum of its proper divisors (42133590928).

56178121228 is a wasteful number, since it uses less digits than its factorization.

56178121228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14044530311 (or 14044530309 counting only the distinct ones).

The product of its digits is 107520, while the sum is 43.

The spelling of 56178121228 in words is "fifty-six billion, one hundred seventy-eight million, one hundred twenty-one thousand, two hundred twenty-eight".