1118920991915 has 8 divisors (see below), whose sum is σ = 1343691756288. Its totient is φ = 894479082880.

The previous prime is 1118920991869. The next prime is 1118920992083. The reversal of 1118920991915 is 5191990298111.

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

It is not a de Polignac number, because 1118920991915 - 2²⁴ = 1118904214699 is a prime.

It is a super-2 number, since 2×1118920991915² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82206347 + ... + 82219956.

It is an arithmetic number, because the mean of its divisors is an integer number (167961469536).

Almost surely, 2^{1118920991915} is an apocalyptic number.

1118920991915 is a deficient number, since it is larger than the sum of its proper divisors (224770764373).

1118920991915 is a wasteful number, since it uses less digits than its factorization.

1118920991915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164427669.

The product of its (nonzero) digits is 524880, while the sum is 56.

The spelling of 1118920991915 in words is "one trillion, one hundred eighteen billion, nine hundred twenty million, nine hundred ninety-one thousand, nine hundred fifteen".