10118643948 has 72 divisors (see below), whose sum is σ = 29360577792. Its totient is φ = 2878288992.

The previous prime is 10118643907. The next prime is 10118643973. The reversal of 10118643948 is 84934681101.

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, 31240 + ... + 145647.

Almost surely, 2^10118643948 is an apocalyptic number.

10118643948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10118643948 is an abundant number, since it is smaller than the sum of its proper divisors (19241933844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10118643948 is a wasteful number, since it uses less digits than its factorization.

10118643948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177131 (or 177126 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 10118643948 in words is "ten billion, one hundred eighteen million, six hundred forty-three thousand, nine hundred forty-eight".