5421112505 has 4 divisors (see below), whose sum is σ = 6505335012. Its totient is φ = 4336890000.

The previous prime is 5421112453. The next prime is 5421112513. The reversal of 5421112505 is 5052111245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5052111245 = 5 ⋅1010422249.

It can be written as a sum of positive squares in 2 ways, for example, as 1718268304 + 3702844201 = 41452^2 + 60851^2 .

It is not a de Polignac number, because 5421112505 - 2²⁴ = 5404335289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542111246 + ... + 542111255.

It is an arithmetic number, because the mean of its divisors is an integer number (1626333753).

Almost surely, 2^5421112505 is an apocalyptic number.

It is an amenable number.

5421112505 is a deficient number, since it is larger than the sum of its proper divisors (1084222507).

5421112505 is a wasteful number, since it uses less digits than its factorization.

5421112505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084222506.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5421112505 is about 73628.2045482572. The cubic root of 5421112505 is about 1756.6940895941.

The spelling of 5421112505 in words is "five billion, four hundred twenty-one million, one hundred twelve thousand, five hundred five".