10861880437 has 4 divisors (see below), whose sum is σ = 10862127436. Its totient is φ = 10861633440.

The previous prime is 10861880417. The next prime is 10861880441. The reversal of 10861880437 is 73408816801.

10861880437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5704629841 + 5157250596 = 75529^2 + 71814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10861880437 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 (10861880417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37638 + ... + 152119.

It is an arithmetic number, because the mean of its divisors is an integer number (2715531859).

Almost surely, 2^10861880437 is an apocalyptic number.

It is an amenable number.

10861880437 is a deficient number, since it is larger than the sum of its proper divisors (246999).

10861880437 is an equidigital number, since it uses as much as digits as its factorization.

10861880437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246998.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 10861880437 in words is "ten billion, eight hundred sixty-one million, eight hundred eighty thousand, four hundred thirty-seven".