11109994955 has 8 divisors (see below), whose sum is σ = 14116228992. Its totient is φ = 8365172608.

The previous prime is 11109994949. The next prime is 11109994993. The reversal of 11109994955 is 55949990111.

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

It is a cyclic number.

It is not a de Polignac number, because 11109994955 - 2⁴ = 11109994939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11109994897 and 11109994906.

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, 65352827 + ... + 65352996.

It is an arithmetic number, because the mean of its divisors is an integer number (1764528624).

Almost surely, 2^11109994955 is an apocalyptic number.

11109994955 is a deficient number, since it is larger than the sum of its proper divisors (3006234037).

11109994955 is a wasteful number, since it uses less digits than its factorization.

11109994955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130705845.

The product of its (nonzero) digits is 656100, while the sum is 53.

The spelling of 11109994955 in words is "eleven billion, one hundred nine million, nine hundred ninety-four thousand, nine hundred fifty-five".