5515424245155 has 24 divisors (see below), whose sum is σ = 9699853551696. Its totient is φ = 2674145087680.

The previous prime is 5515424245141. The next prime is 5515424245157.

It is a happy number.

5515424245155 is nontrivially palindromic in base 10.

5515424245155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5515424245155 - 2⁸ = 5515424244899 is a prime.

It is a super-3 number, since 3×5515424245155³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5515424245157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1519398804 + ... + 1519402433.

It is an arithmetic number, because the mean of its divisors is an integer number (404160564654).

Almost surely, 2^{5515424245155} is an apocalyptic number.

5515424245155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5515424245155 is a deficient number, since it is larger than the sum of its proper divisors (4184429306541).

5515424245155 is a wasteful number, since it uses less digits than its factorization.

5515424245155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038801267 (or 3038801256 counting only the distinct ones).

The product of its digits is 4000000, while the sum is 48.

Adding to 5515424245155 its product of digits (4000000), we get a palindrome (5515428245155).

Subtracting from 5515424245155 its product of digits (4000000), we obtain a palindrome (5515420245155).

The spelling of 5515424245155 in words is "five trillion, five hundred fifteen billion, four hundred twenty-four million, two hundred forty-five thousand, one hundred fifty-five".