5185102861 has 4 divisors (see below), whose sum is σ = 5216913472. Its totient is φ = 5153292252.

The previous prime is 5185102801. The next prime is 5185102883. The reversal of 5185102861 is 1682015815.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1682015815 = 5 ⋅336403163.

It is a cyclic number.

It is not a de Polignac number, because 5185102861 - 2⁷ = 5185102733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5185102861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185102801) 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, 15905061 + ... + 15905386.

It is an arithmetic number, because the mean of its divisors is an integer number (1304228368).

Almost surely, 2^5185102861 is an apocalyptic number.

It is an amenable number.

5185102861 is a deficient number, since it is larger than the sum of its proper divisors (31810611).

5185102861 is a wasteful number, since it uses less digits than its factorization.

5185102861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31810610.

The product of its (nonzero) digits is 19200, while the sum is 37.

The square root of 5185102861 is about 72007.6583496506. The cubic root of 5185102861 is about 1730.8222072100.

The spelling of 5185102861 in words is "five billion, one hundred eighty-five million, one hundred two thousand, eight hundred sixty-one".