5515112545 has 8 divisors (see below), whose sum is σ = 7007437224. Its totient is φ = 4152555264.

The previous prime is 5515112509. The next prime is 5515112549. The reversal of 5515112545 is 5452115155.

5515112545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 753008481 + 4762104064 = 27441^2 + 69008^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5515112545 - 2¹⁹ = 5514588257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5515112545.

It is not an unprimeable number, because it can be changed into a prime (5515112549) 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, 32441754 + ... + 32441923.

It is an arithmetic number, because the mean of its divisors is an integer number (875929653).

Almost surely, 2^5515112545 is an apocalyptic number.

It is an amenable number.

5515112545 is a deficient number, since it is larger than the sum of its proper divisors (1492324679).

5515112545 is a wasteful number, since it uses less digits than its factorization.

5515112545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64883699.

The product of its digits is 25000, while the sum is 34.

The square root of 5515112545 is about 74263.8037337167. The cubic root of 5515112545 is about 1766.7894330058.

The spelling of 5515112545 in words is "five billion, five hundred fifteen million, one hundred twelve thousand, five hundred forty-five".