5150387561 has 4 divisors (see below), whose sum is σ = 5618604624. Its totient is φ = 4682170500.

The previous prime is 5150387509. The next prime is 5150387581. The reversal of 5150387561 is 1657830515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5150387561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5150387581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234108515 + ... + 234108536.

It is an arithmetic number, because the mean of its divisors is an integer number (1404651156).

Almost surely, 2^5150387561 is an apocalyptic number.

It is an amenable number.

5150387561 is a deficient number, since it is larger than the sum of its proper divisors (468217063).

5150387561 is a wasteful number, since it uses less digits than its factorization.

5150387561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468217062.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 5150387561 is about 71766.2006866742. The cubic root of 5150387561 is about 1726.9508208715.

The spelling of 5150387561 in words is "five billion, one hundred fifty million, three hundred eighty-seven thousand, five hundred sixty-one".