55131444413155 has 16 divisors (see below), whose sum is σ = 72373109126400. Its totient is φ = 39983909025760.

The previous prime is 55131444413131. The next prime is 55131444413189.

55131444413155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55131444413155 - 2⁹ = 55131444412643 is a prime.

It is a super-3 number, since 3×55131444413155³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396066465 + ... + 1396105954.

It is an arithmetic number, because the mean of its divisors is an integer number (4523319320400).

Almost surely, 2^{55131444413155} is an apocalyptic number.

55131444413155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55131444413155 is a deficient number, since it is larger than the sum of its proper divisors (17241664713245).

55131444413155 is a wasteful number, since it uses less digits than its factorization.

55131444413155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792172794.

The product of its digits is 1440000, while the sum is 46.

It can be divided in two parts, 5513144 and 4413155, that added together give a palindrome (9926299).

The spelling of 55131444413155 in words is "fifty-five trillion, one hundred thirty-one billion, four hundred forty-four million, four hundred thirteen thousand, one hundred fifty-five".