61075130623 has 8 divisors (see below), whose sum is σ = 68041260000. Its totient is φ = 54433007328.

The previous prime is 61075130579. The next prime is 61075130629. The reversal of 61075130623 is 32603157016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61075130623 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 (61075130629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81001123 + ... + 81001876.

It is an arithmetic number, because the mean of its divisors is an integer number (8505157500).

Almost surely, 2^61075130623 is an apocalyptic number.

61075130623 is a deficient number, since it is larger than the sum of its proper divisors (6966129377).

61075130623 is a wasteful number, since it uses less digits than its factorization.

61075130623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162003041.

The product of its (nonzero) digits is 22680, while the sum is 34.

Adding to 61075130623 its reverse (32603157016), we get a palindrome (93678287639).

The spelling of 61075130623 in words is "sixty-one billion, seventy-five million, one hundred thirty thousand, six hundred twenty-three".