61307050071 has 16 divisors (see below), whose sum is σ = 86704902144. Its totient is φ = 38398825344.

The previous prime is 61307050069. The next prime is 61307050073. The reversal of 61307050071 is 17005070316.

It is an interprime number because it is at equal distance from previous prime (61307050069) and next prime (61307050073).

It is not a de Polignac number, because 61307050071 - 2¹ = 61307050069 is a prime.

It is a super-2 number, since 2×61307050071² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61307050073) 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 15 ways as a sum of consecutive naturals, for example, 1038871 + ... + 1096296.

It is an arithmetic number, because the mean of its divisors is an integer number (5419056384).

Almost surely, 2^61307050071 is an apocalyptic number.

61307050071 is a deficient number, since it is larger than the sum of its proper divisors (25397852073).

61307050071 is a wasteful number, since it uses less digits than its factorization.

61307050071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135750.

The product of its (nonzero) digits is 4410, while the sum is 30.

The spelling of 61307050071 in words is "sixty-one billion, three hundred seven million, fifty thousand, seventy-one".