611161050650 has 12 divisors (see below), whose sum is σ = 1136759554302. Its totient is φ = 244464420240.

The previous prime is 611161050601. The next prime is 611161050673. The reversal of 611161050650 is 56050161116.

It can be written as a sum of positive squares in 3 ways, for example, as 532699998769 + 78461051881 = 729863^2 + 280109^2 .

It is a super-2 number, since 2×611161050650² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6111610457 + ... + 6111610556.

Almost surely, 2^611161050650 is an apocalyptic number.

611161050650 is a deficient number, since it is larger than the sum of its proper divisors (525598503652).

611161050650 is a wasteful number, since it uses less digits than its factorization.

611161050650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223221025 (or 12223221020 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 611161050650 in words is "six hundred eleven billion, one hundred sixty-one million, fifty thousand, six hundred fifty".