5515261445 has 16 divisors (see below), whose sum is σ = 6720641280. Its totient is φ = 4344060864.

The previous prime is 5515261421. The next prime is 5515261463. The reversal of 5515261445 is 5441625155.

5515261445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5515261445 - 2⁸ = 5515261189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5515261399 and 5515261408.

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, 931364 + ... + 937266.

It is an arithmetic number, because the mean of its divisors is an integer number (420040080).

Almost surely, 2^5515261445 is an apocalyptic number.

It is an amenable number.

5515261445 is a deficient number, since it is larger than the sum of its proper divisors (1205379835).

5515261445 is a wasteful number, since it uses less digits than its factorization.

5515261445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8764.

The product of its digits is 120000, while the sum is 38.

The square root of 5515261445 is about 74264.8062341780. The cubic root of 5515261445 is about 1766.8053331092.

The spelling of 5515261445 in words is "five billion, five hundred fifteen million, two hundred sixty-one thousand, four hundred forty-five".