5415068861 has 4 divisors (see below), whose sum is σ = 5418180924. Its totient is φ = 5411956800.

The previous prime is 5415068849. The next prime is 5415068929. The reversal of 5415068861 is 1688605145.

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 542191225 + 4872877636 = 23285^2 + 69806^2 .

It is a cyclic number.

It is not a de Polignac number, because 5415068861 - 2⁶ = 5415068797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5415068821) 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, 1553420 + ... + 1556901.

It is an arithmetic number, because the mean of its divisors is an integer number (1354545231).

Almost surely, 2^5415068861 is an apocalyptic number.

It is an amenable number.

5415068861 is a deficient number, since it is larger than the sum of its proper divisors (3112063).

5415068861 is a wasteful number, since it uses less digits than its factorization.

5415068861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112062.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 5415068861 is about 73587.1514668152. The cubic root of 5415068861 is about 1756.0410390460.

The spelling of 5415068861 in words is "five billion, four hundred fifteen million, sixty-eight thousand, eight hundred sixty-one".