1086111812 has 48 divisors (see below), whose sum is σ = 1987018992. Its totient is φ = 519045120.

The previous prime is 1086111791. The next prime is 1086111821. The reversal of 1086111812 is 2181116801.

It can be written as a sum of positive squares in 8 ways, for example, as 1331716 + 1084780096 = 1154^2 + 32936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3076628 + ... + 3076980.

It is an arithmetic number, because the mean of its divisors is an integer number (41396229).

Almost surely, 2^1086111812 is an apocalyptic number.

It is an amenable number.

1086111812 is a deficient number, since it is larger than the sum of its proper divisors (900907180).

1086111812 is a wasteful number, since it uses less digits than its factorization.

1086111812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 29.

The square root of 1086111812 is about 32956.2105224493. The cubic root of 1086111812 is about 1027.9173085236.

The spelling of 1086111812 in words is "one billion, eighty-six million, one hundred eleven thousand, eight hundred twelve".