5515995155 has 8 divisors (see below), whose sum is σ = 7220939184. Its totient is φ = 4011632800.

The previous prime is 5515995061. The next prime is 5515995157.

5515995155 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5515995155 - 2²⁰ = 5514946579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515995157) 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, 50145356 + ... + 50145465.

It is an arithmetic number, because the mean of its divisors is an integer number (902617398).

Almost surely, 2^5515995155 is an apocalyptic number.

5515995155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5515995155 is a deficient number, since it is larger than the sum of its proper divisors (1704944029).

5515995155 is a wasteful number, since it uses less digits than its factorization.

5515995155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100290837.

The product of its digits is 1265625, while the sum is 50.

The square root of 5515995155 is about 74269.7458929274. The cubic root of 5515995155 is about 1766.8836772502.

The spelling of 5515995155 in words is "five billion, five hundred fifteen million, nine hundred ninety-five thousand, one hundred fifty-five".