8111545412 has 6 divisors (see below), whose sum is σ = 14195204478. Its totient is φ = 4055772704.

The previous prime is 8111545391. The next prime is 8111545423. The reversal of 8111545412 is 2145451118.

It can be written as a sum of positive squares in only one way, i.e., 8111524096 + 21316 = 90064^2 + 146^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1013943173 + ... + 1013943180.

It is an arithmetic number, because the mean of its divisors is an integer number (2365867413).

Almost surely, 2^8111545412 is an apocalyptic number.

It is an amenable number.

8111545412 is a deficient number, since it is larger than the sum of its proper divisors (6083659066).

8111545412 is a wasteful number, since it uses less digits than its factorization.

8111545412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027886357 (or 2027886355 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

The square root of 8111545412 is about 90064.1183379930. The cubic root of 8111545412 is about 2009.2525798732.

The spelling of 8111545412 in words is "eight billion, one hundred eleven million, five hundred forty-five thousand, four hundred twelve".