68275130061 has 4 divisors (see below), whose sum is σ = 91033506752. Its totient is φ = 45516753372.

The previous prime is 68275130009. The next prime is 68275130071. The reversal of 68275130061 is 16003157286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68275130061 - 2¹¹ = 68275128013 is a prime.

It is a super-2 number, since 2×68275130061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68275130071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11379188341 + ... + 11379188346.

It is an arithmetic number, because the mean of its divisors is an integer number (22758376688).

Almost surely, 2^68275130061 is an apocalyptic number.

It is an amenable number.

68275130061 is a deficient number, since it is larger than the sum of its proper divisors (22758376691).

68275130061 is a wasteful number, since it uses less digits than its factorization.

68275130061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22758376690.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 68275130061 in words is "sixty-eight billion, two hundred seventy-five million, one hundred thirty thousand, sixty-one".