61045217046 has 36 divisors (see below), whose sum is σ = 145381796196. Its totient is φ = 18498549960.

The previous prime is 61045217039. The next prime is 61045217063. The reversal of 61045217046 is 64071254016.

61045217046 is a `hidden beast` number, since 61 + 0 + 4 + 521 + 70 + 4 + 6 = 666.

It is a super-2 number, since 2×61045217046² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61045217046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14011876 + ... + 14016231.

Almost surely, 2^61045217046 is an apocalyptic number.

61045217046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61045217046 is an abundant number, since it is smaller than the sum of its proper divisors (84336579150).

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

61045217046 is a wasteful number, since it uses less digits than its factorization.

61045217046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28028137 (or 28028123 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 61045217046 in words is "sixty-one billion, forty-five million, two hundred seventeen thousand, forty-six".