5150661506 has 4 divisors (see below), whose sum is σ = 7725992262. Its totient is φ = 2575330752.

The previous prime is 5150661499. The next prime is 5150661517. The reversal of 5150661506 is 6051660515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4712136025 + 438525481 = 68645^2 + 20941^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287665375 + ... + 1287665378.

Almost surely, 2^5150661506 is an apocalyptic number.

5150661506 is a deficient number, since it is larger than the sum of its proper divisors (2575330756).

5150661506 is a wasteful number, since it uses less digits than its factorization.

5150661506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575330755.

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

The square root of 5150661506 is about 71768.1092547379. The cubic root of 5150661506 is about 1726.9814387069.

Subtracting 5150661506 from its reverse (6051660515), we obtain a palindrome (900999009).

The spelling of 5150661506 in words is "five billion, one hundred fifty million, six hundred sixty-one thousand, five hundred six".