61050450571 has 16 divisors (see below), whose sum is σ = 71093203200. Its totient is φ = 51838768800.

The previous prime is 61050450509. The next prime is 61050450577. The reversal of 61050450571 is 17505405016.

It is a cyclic number.

It is not a de Polignac number, because 61050450571 - 2⁷ = 61050450443 is a prime.

It is a super-2 number, since 2×61050450571² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61050450577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042256 + ... + 2071933.

It is an arithmetic number, because the mean of its divisors is an integer number (4443325200).

Almost surely, 2^61050450571 is an apocalyptic number.

61050450571 is a deficient number, since it is larger than the sum of its proper divisors (10042752629).

61050450571 is a wasteful number, since it uses less digits than its factorization.

61050450571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114290.

The product of its (nonzero) digits is 21000, while the sum is 34.

Adding to 61050450571 its reverse (17505405016), we get a palindrome (78555855587).

The spelling of 61050450571 in words is "sixty-one billion, fifty million, four hundred fifty thousand, five hundred seventy-one".