5551515505000 has 80 divisors (see below), whose sum is σ = 13082388998580. Its totient is φ = 2207769984000.

The previous prime is 5551515504989. The next prime is 5551515505009. The reversal of 5551515505000 is 5055151555.

It can be written as a sum of positive squares in 10 ways, for example, as 6536075716 + 5544979429284 = 80846^2 + 2354778^2 .

It is not an unprimeable number, because it can be changed into a prime (5551515505009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2343969 + ... + 4073968.

Almost surely, 2^{5551515505000} is an apocalyptic number.

5551515505000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5551515505000 is an abundant number, since it is smaller than the sum of its proper divisors (7530873493580).

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

5551515505000 is a wasteful number, since it uses less digits than its factorization.

5551515505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418136 (or 6418117 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 5551515505000 in words is "five trillion, five hundred fifty-one billion, five hundred fifteen million, five hundred five thousand".