10118655725978 has 4 divisors (see below), whose sum is σ = 15177983588970. Its totient is φ = 5059327862988.

The previous prime is 10118655725911. The next prime is 10118655725999. The reversal of 10118655725978 is 87952755681101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8321857566169 + 1796798159809 = 2884763^2 + 1340447^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2529663931493 + ... + 2529663931496.

Almost surely, 2^{10118655725978} is an apocalyptic number.

10118655725978 is a deficient number, since it is larger than the sum of its proper divisors (5059327862992).

10118655725978 is an equidigital number, since it uses as much as digits as its factorization.

10118655725978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059327862991.

The product of its (nonzero) digits is 42336000, while the sum is 65.

The spelling of 10118655725978 in words is "ten trillion, one hundred eighteen billion, six hundred fifty-five million, seven hundred twenty-five thousand, nine hundred seventy-eight".