5107121885 has 4 divisors (see below), whose sum is σ = 6128546268. Its totient is φ = 4085697504.

The previous prime is 5107121843. The next prime is 5107121933. The reversal of 5107121885 is 5881217015.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1228572601 + 3878549284 = 35051^2 + 62278^2 .

It is a cyclic number.

It is not a de Polignac number, because 5107121885 - 2¹⁰ = 5107120861 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 510712184 + ... + 510712193.

It is an arithmetic number, because the mean of its divisors is an integer number (1532136567).

Almost surely, 2^5107121885 is an apocalyptic number.

It is an amenable number.

5107121885 is a deficient number, since it is larger than the sum of its proper divisors (1021424383).

5107121885 is a wasteful number, since it uses less digits than its factorization.

5107121885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021424382.

The product of its (nonzero) digits is 22400, while the sum is 38.

The square root of 5107121885 is about 71464.1300583726. The cubic root of 5107121885 is about 1722.1014836797.

The spelling of 5107121885 in words is "five billion, one hundred seven million, one hundred twenty-one thousand, eight hundred eighty-five".