61097450071 has 8 divisors (see below), whose sum is σ = 69834645504. Its totient is φ = 52362501720.

The previous prime is 61097450053. The next prime is 61097450077. The reversal of 61097450071 is 17005479016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61097450071 - 2⁷ = 61097449943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61097450077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503095 + ... + 612616.

It is an arithmetic number, because the mean of its divisors is an integer number (8729330688).

Almost surely, 2^61097450071 is an apocalyptic number.

61097450071 is a deficient number, since it is larger than the sum of its proper divisors (8737195433).

61097450071 is a wasteful number, since it uses less digits than its factorization.

61097450071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123541.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 61097450071 in words is "sixty-one billion, ninety-seven million, four hundred fifty thousand, seventy-one".