611051055040 has 56 divisors (see below), whose sum is σ = 1455299768592. Its totient is φ = 244381040640.

The previous prime is 611051054987. The next prime is 611051055047. The reversal of 611051055040 is 40550150116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611051055047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877175 + ... + 2178505.

Almost surely, 2^611051055040 is an apocalyptic number.

It is an amenable number.

611051055040 is an abundant number, since it is smaller than the sum of its proper divisors (844248713552).

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

611051055040 is a wasteful number, since it uses less digits than its factorization.

611051055040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307685 (or 307675 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 611051055040 in words is "six hundred eleven billion, fifty-one million, fifty-five thousand, forty".