611451210140 has 12 divisors (see below), whose sum is σ = 1284047541336. Its totient is φ = 244580484048.

The previous prime is 611451210121. The next prime is 611451210143. The reversal of 611451210140 is 41012154116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611451210143) 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 3 ways as a sum of consecutive naturals, for example, 15286280234 + ... + 15286280273.

It is an arithmetic number, because the mean of its divisors is an integer number (107003961778).

Almost surely, 2^611451210140 is an apocalyptic number.

It is an amenable number.

611451210140 is an abundant number, since it is smaller than the sum of its proper divisors (672596331196).

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

611451210140 is a wasteful number, since it uses less digits than its factorization.

611451210140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30572560516 (or 30572560514 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 611451210140 its reverse (41012154116), we get a palindrome (652463364256).

The spelling of 611451210140 in words is "six hundred eleven billion, four hundred fifty-one million, two hundred ten thousand, one hundred forty".