55011109995 has 12 divisors (see below), whose sum is σ = 95352590736. Its totient is φ = 29339258640.

The previous prime is 55011109991. The next prime is 55011110051. The reversal of 55011109995 is 59990111055.

55011109995 is a `hidden beast` number, since 550 + 1 + 1 + 1 + 0 + 9 + 9 + 95 = 666.

It is not a de Polignac number, because 55011109995 - 2² = 55011109991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1222469111 = 55011109995 / (5 + 5 + 0 + 1 + 1 + 1 + 0 + 9 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 55011109995.

It is not an unprimeable number, because it can be changed into a prime (55011109991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611234511 + ... + 611234600.

It is an arithmetic number, because the mean of its divisors is an integer number (7946049228).

Almost surely, 2^55011109995 is an apocalyptic number.

55011109995 is a deficient number, since it is larger than the sum of its proper divisors (40341480741).

55011109995 is a wasteful number, since it uses less digits than its factorization.

55011109995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222469122 (or 1222469119 counting only the distinct ones).

The product of its (nonzero) digits is 91125, while the sum is 45.

The spelling of 55011109995 in words is "fifty-five billion, eleven million, one hundred nine thousand, nine hundred ninety-five".