611145012 has 24 divisors (see below), whose sum is σ = 1426796896. Its totient is φ = 203601888.

The previous prime is 611145001. The next prime is 611145077. The reversal of 611145012 is 210541116.

It is a self number, because there is not a number n which added to its sum of digits gives 611145012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10023 + ... + 36369.

Almost surely, 2^611145012 is an apocalyptic number.

It is an amenable number.

611145012 is an abundant number, since it is smaller than the sum of its proper divisors (815651884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611145012 is a wasteful number, since it uses less digits than its factorization.

611145012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28287 (or 28285 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 611145012 is about 24721.3472933819. The cubic root of 611145012 is about 848.6229199170.

Adding to 611145012 its reverse (210541116), we get a palindrome (821686128).

The spelling of 611145012 in words is "six hundred eleven million, one hundred forty-five thousand, twelve".