3815610630861 has 16 divisors (see below), whose sum is σ = 5094459800640. Its totient is φ = 2540252309760.

The previous prime is 3815610630829. The next prime is 3815610630883. The reversal of 3815610630861 is 1680360165183.

3815610630861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3815610630861 - 2⁵ = 3815610630829 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3815610630861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3815610630061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11151435 + ... + 11488503.

It is an arithmetic number, because the mean of its divisors is an integer number (318403737540).

Almost surely, 2^{3815610630861} is an apocalyptic number.

It is an amenable number.

3815610630861 is a deficient number, since it is larger than the sum of its proper divisors (1278849169779).

3815610630861 is a wasteful number, since it uses less digits than its factorization.

3815610630861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342236.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 3815610630861 in words is "three trillion, eight hundred fifteen billion, six hundred ten million, six hundred thirty thousand, eight hundred sixty-one".