5627121505 has 8 divisors (see below), whose sum is σ = 6935047272. Its totient is φ = 4380029568.

The previous prime is 5627121497. The next prime is 5627121509. The reversal of 5627121505 is 5051217265.

It can be written as a sum of positive squares in 4 ways, for example, as 361152016 + 5265969489 = 19004^2 + 72567^2 .

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 5627121505 - 2³ = 5627121497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5627121509) 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, 15208252 + ... + 15208621.

It is an arithmetic number, because the mean of its divisors is an integer number (866880909).

Almost surely, 2^5627121505 is an apocalyptic number.

It is an amenable number.

5627121505 is a deficient number, since it is larger than the sum of its proper divisors (1307925767).

5627121505 is a wasteful number, since it uses less digits than its factorization.

5627121505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30416915.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 5627121505 is about 75014.1420333526. The cubic root of 5627121505 is about 1778.6702083475.

The spelling of 5627121505 in words is "five billion, six hundred twenty-seven million, one hundred twenty-one thousand, five hundred five".