1095865851 has 4 divisors (see below), whose sum is σ = 1461154472. Its totient is φ = 730577232.

The previous prime is 1095865829. The next prime is 1095865861. The reversal of 1095865851 is 1585685901.

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

It is not a de Polignac number, because 1095865851 - 2⁶ = 1095865787 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 1095865851.

It is not an unprimeable number, because it can be changed into a prime (1095865861) 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, 182644306 + ... + 182644311.

It is an arithmetic number, because the mean of its divisors is an integer number (365288618).

Almost surely, 2^1095865851 is an apocalyptic number.

1095865851 is a deficient number, since it is larger than the sum of its proper divisors (365288621).

1095865851 is an equidigital number, since it uses as much as digits as its factorization.

1095865851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365288620.

The product of its (nonzero) digits is 432000, while the sum is 48.

The square root of 1095865851 is about 33103.8645931257. The cubic root of 1095865851 is about 1030.9852799020.

The spelling of 1095865851 in words is "one billion, ninety-five million, eight hundred sixty-five thousand, eight hundred fifty-one".