61223301217071 has 18 divisors (see below), whose sum is σ = 102871805447112. Its totient is φ = 34984743552360.

The previous prime is 61223301217033. The next prime is 61223301217103. The reversal of 61223301217071 is 17071210332216.

61223301217071 is a `hidden beast` number, since 61 + 22 + 330 + 12 + 170 + 71 = 666.

It is not a de Polignac number, because 61223301217071 - 2⁹ = 61223301216559 is a prime.

It is a super-3 number, since 3×61223301217071³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61223301217031) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69414173275 + ... + 69414174156.

Almost surely, 2^{61223301217071} is an apocalyptic number.

61223301217071 is a deficient number, since it is larger than the sum of its proper divisors (41648504230041).

61223301217071 is a wasteful number, since it uses less digits than its factorization.

61223301217071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138828347451 (or 138828347441 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

Adding to 61223301217071 its reverse (17071210332216), we get a palindrome (78294511549287).

The spelling of 61223301217071 in words is "sixty-one trillion, two hundred twenty-three billion, three hundred one million, two hundred seventeen thousand, seventy-one".