55119988991155 has 64 divisors (see below), whose sum is σ = 79040535920640. Its totient is φ = 36478485014400.

The previous prime is 55119988991147. The next prime is 55119988991189.

It is a happy number.

55119988991155 is nontrivially palindromic in base 10.

55119988991155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55119988991155 - 2³ = 55119988991147 is a prime.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9598047 + ... + 14225416.

It is an arithmetic number, because the mean of its divisors is an integer number (1235008373760).

Almost surely, 2^{55119988991155} is an apocalyptic number.

55119988991155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55119988991155 is a deficient number, since it is larger than the sum of its proper divisors (23920546929485).

55119988991155 is a wasteful number, since it uses less digits than its factorization.

55119988991155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23823592.

The product of its digits is 262440000, while the sum is 76.

The spelling of 55119988991155 in words is "fifty-five trillion, one hundred nineteen billion, nine hundred eighty-eight million, nine hundred ninety-one thousand, one hundred fifty-five".