56720236120618 has 16 divisors (see below), whose sum is σ = 97310124728640. Its totient is φ = 24289814064096.

The previous prime is 56720236120579. The next prime is 56720236120621. The reversal of 56720236120618 is 81602163202765.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571527896 + ... + 1571563987.

It is an arithmetic number, because the mean of its divisors is an integer number (6081882795540).

Almost surely, 2^{56720236120618} is an apocalyptic number.

56720236120618 is a deficient number, since it is larger than the sum of its proper divisors (40589888608022).

56720236120618 is a wasteful number, since it uses less digits than its factorization.

56720236120618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143093181.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 56720236120618 in words is "fifty-six trillion, seven hundred twenty billion, two hundred thirty-six million, one hundred twenty thousand, six hundred eighteen".