5155665506 has 8 divisors (see below), whose sum is σ = 7733968320. Its totient is φ = 2577676068.

The previous prime is 5155665461. The next prime is 5155665539. The reversal of 5155665506 is 6055665515.

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

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, 31646 + ... + 106361.

It is an arithmetic number, because the mean of its divisors is an integer number (966746040).

Almost surely, 2^5155665506 is an apocalyptic number.

5155665506 is a deficient number, since it is larger than the sum of its proper divisors (2578302814).

5155665506 is a wasteful number, since it uses less digits than its factorization.

5155665506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156688.

The product of its (nonzero) digits is 675000, while the sum is 44.

The square root of 5155665506 is about 71802.9630725641. The cubic root of 5155665506 is about 1727.5405266374.

Subtracting 5155665506 from its reverse (6055665515), we obtain a palindrome (900000009).

The spelling of 5155665506 in words is "five billion, one hundred fifty-five million, six hundred sixty-five thousand, five hundred six".