611403105012 has 36 divisors (see below), whose sum is σ = 1659522715200. Its totient is φ = 174686601264.

The previous prime is 611403104951. The next prime is 611403105083. The reversal of 611403105012 is 210501304116.

It is a happy number.

611403105012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519900012 + ... + 519901187.

It is an arithmetic number, because the mean of its divisors is an integer number (46097853200).

Almost surely, 2^611403105012 is an apocalyptic number.

It is an amenable number.

611403105012 is an abundant number, since it is smaller than the sum of its proper divisors (1048119610188).

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

611403105012 is a wasteful number, since it uses less digits than its factorization.

611403105012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039801220 (or 1039801211 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 611403105012 its reverse (210501304116), we get a palindrome (821904409128).

The spelling of 611403105012 in words is "six hundred eleven billion, four hundred three million, one hundred five thousand, twelve".