5106661505 has 32 divisors (see below), whose sum is σ = 6765527808. Its totient is φ = 3669408000.

The previous prime is 5106661487. The next prime is 5106661529. The reversal of 5106661505 is 5051666015.

It is not a de Polignac number, because 5106661505 - 2¹⁴ = 5106645121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4571207 + ... + 4572323.

It is an arithmetic number, because the mean of its divisors is an integer number (211422744).

Almost surely, 2^5106661505 is an apocalyptic number.

5106661505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5106661505 is a deficient number, since it is larger than the sum of its proper divisors (1658866303).

5106661505 is a wasteful number, since it uses less digits than its factorization.

5106661505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 5106661505 is about 71460.9089292880. The cubic root of 5106661505 is about 1722.0497360141.

The spelling of 5106661505 in words is "five billion, one hundred six million, six hundred sixty-one thousand, five hundred five".