5515020113444 has 24 divisors (see below), whose sum is σ = 9876154995168. Its totient is φ = 2693267015040.

The previous prime is 5515020113441. The next prime is 5515020113459. The reversal of 5515020113444 is 4443110205155.

It is a happy number.

It is a super-2 number, since 2×5515020113444² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5515020113441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431399 + ... + 4775409.

It is an arithmetic number, because the mean of its divisors is an integer number (411506458132).

Almost surely, 2^{5515020113444} is an apocalyptic number.

It is an amenable number.

5515020113444 is a deficient number, since it is larger than the sum of its proper divisors (4361134881724).

5515020113444 is a wasteful number, since it uses less digits than its factorization.

5515020113444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367915 (or 1367913 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 5515020113444 its reverse (4443110205155), we get a palindrome (9958130318599).

The spelling of 5515020113444 in words is "five trillion, five hundred fifteen billion, twenty million, one hundred thirteen thousand, four hundred forty-four".