11100119985 has 32 divisors (see below), whose sum is σ = 19751863680. Its totient is φ = 5914569024.

The previous prime is 11100119969. The next prime is 11100120001. The reversal of 11100119985 is 58991100111.

It is an interprime number because it is at equal distance from previous prime (11100119969) and next prime (11100120001).

It is not a de Polignac number, because 11100119985 - 2⁴ = 11100119969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109942 + ... + 185168.

It is an arithmetic number, because the mean of its divisors is an integer number (617245740).

Almost surely, 2^11100119985 is an apocalyptic number.

11100119985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11100119985 is a deficient number, since it is larger than the sum of its proper divisors (8651743695).

11100119985 is a wasteful number, since it uses less digits than its factorization.

11100119985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76334 (or 76328 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 36.

The spelling of 11100119985 in words is "eleven billion, one hundred million, one hundred nineteen thousand, nine hundred eighty-five".