611143691060 has 24 divisors (see below), whose sum is σ = 1466744858880. Its totient is φ = 209534979744.

The previous prime is 611143691047. The next prime is 611143691111. The reversal of 611143691060 is 60196341116.

It is a super-2 number, since 2×611143691060² (a number of 24 digits) contains 22 as substring.

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, 2182655900 + ... + 2182656179.

It is an arithmetic number, because the mean of its divisors is an integer number (61114369120).

Almost surely, 2^611143691060 is an apocalyptic number.

It is an amenable number.

611143691060 is an abundant number, since it is smaller than the sum of its proper divisors (855601167820).

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

611143691060 is a wasteful number, since it uses less digits than its factorization.

611143691060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365312095 (or 4365312093 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 611143691060 in words is "six hundred eleven billion, one hundred forty-three million, six hundred ninety-one thousand, sixty".