5515051000 has 64 divisors (see below), whose sum is σ = 13205443680. Its totient is φ = 2154700800.

The previous prime is 5515050991. The next prime is 5515051027. The reversal of 5515051000 is 1505155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21129 + ... + 107128.

Almost surely, 2^5515051000 is an apocalyptic number.

5515051000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5515051000 is an abundant number, since it is smaller than the sum of its proper divisors (7690392680).

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

5515051000 is a wasteful number, since it uses less digits than its factorization.

5515051000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128321 (or 128307 counting only the distinct ones).

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

The square root of 5515051000 is about 74263.3893651508. The cubic root of 5515051000 is about 1766.7828609151.

Adding to 5515051000 its reverse (1505155), we get a palindrome (5516556155).

The spelling of 5515051000 in words is "five billion, five hundred fifteen million, fifty-one thousand".