11111009999948 has 24 divisors (see below), whose sum is σ = 19925750077632. Its totient is φ = 5418745391744.

The previous prime is 11111009999939. The next prime is 11111010000007. The reversal of 11111009999948 is 84999990011111.

It is a happy number.

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, 100800065 + ... + 100910232.

It is an arithmetic number, because the mean of its divisors is an integer number (830239586568).

Almost surely, 2^{11111009999948} is an apocalyptic number.

It is an amenable number.

11111009999948 is a deficient number, since it is larger than the sum of its proper divisors (8814740077684).

11111009999948 is a wasteful number, since it uses less digits than its factorization.

11111009999948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201710641 (or 201710639 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 62.

The spelling of 11111009999948 in words is "eleven trillion, one hundred eleven billion, nine million, nine hundred ninety-nine thousand, nine hundred forty-eight".