5125081519 has 4 divisors (see below), whose sum is σ = 5174839696. Its totient is φ = 5075323344.

The previous prime is 5125081517. The next prime is 5125081523. The reversal of 5125081519 is 9151805215.

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

It is a cyclic number.

It is not a de Polignac number, because 5125081519 - 2¹ = 5125081517 is a prime.

It is a super-2 number, since 2×5125081519² = 52532921152790694722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125081517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24878934 + ... + 24879139.

It is an arithmetic number, because the mean of its divisors is an integer number (1293709924).

Almost surely, 2^5125081519 is an apocalyptic number.

5125081519 is a deficient number, since it is larger than the sum of its proper divisors (49758177).

5125081519 is a wasteful number, since it uses less digits than its factorization.

5125081519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49758176.

The product of its (nonzero) digits is 18000, while the sum is 37.

The square root of 5125081519 is about 71589.6746675105. The cubic root of 5125081519 is about 1724.1177614509.

The spelling of 5125081519 in words is "five billion, one hundred twenty-five million, eighty-one thousand, five hundred nineteen".