611244663020 has 24 divisors (see below), whose sum is σ = 1284442530000. Its totient is φ = 244340010432.

The previous prime is 611244663013. The next prime is 611244663067. The reversal of 611244663020 is 20366442116.

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, 9834170 + ... + 9896129.

It is an arithmetic number, because the mean of its divisors is an integer number (53518438750).

Almost surely, 2^611244663020 is an apocalyptic number.

It is an amenable number.

611244663020 is an abundant number, since it is smaller than the sum of its proper divisors (673197866980).

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

611244663020 is a wasteful number, since it uses less digits than its factorization.

611244663020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19731857 (or 19731855 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 611244663020 in words is "six hundred eleven billion, two hundred forty-four million, six hundred sixty-three thousand, twenty".