55011110019 has 8 divisors (see below), whose sum is σ = 73640371392.
Its totient is φ = 36527961000.
The previous prime is 55011109991. The next prime is 55011110051. The reversal of 55011110019 is 91001111055.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55011110019 - 216 = 55011044483 is a prime.
It is a super-2 number, since 2×550111100192 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (55011110519) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36527209 + ... + 36528714.
It is an arithmetic number, because the mean of its divisors is an integer number (9205046424).
Almost surely, 255011110019 is an apocalyptic number.
55011110019 is a deficient number, since it is larger than the sum of its proper divisors (18629261373).
55011110019 is a wasteful number, since it uses less digits than its factorization.
55011110019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73056177.
The product of its (nonzero) digits is 225, while the sum is 24.
The spelling of 55011110019 in words is "fifty-five billion, eleven million, one hundred ten thousand, nineteen".