5515005100 has 72 divisors (see below), whose sum is σ = 13301992368. Its totient is φ = 1967596800.

The previous prime is 5515005091. The next prime is 5515005101. The reversal of 5515005100 is 15005155.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (5515005101) 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, 11002 + ... + 105598.

It is an arithmetic number, because the mean of its divisors is an integer number (184749894).

Almost surely, 2^5515005100 is an apocalyptic number.

5515005100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5515005100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6650996184).

5515005100 is an abundant number, since it is smaller than the sum of its proper divisors (7786987268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5515005100 is a wasteful number, since it uses less digits than its factorization.

5515005100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94675 (or 94668 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 5515005100 is about 74263.0803293265. The cubic root of 5515005100 is about 1766.7779594459. Note that the first 3 decimals are identical.

Subtracting from 5515005100 its reverse (15005155), we obtain a palindrome (5499999945).

The spelling of 5515005100 in words is "five billion, five hundred fifteen million, five thousand, one hundred".