61110530685505 has 8 divisors (see below), whose sum is σ = 83808727797312. Its totient is φ = 41904363898608.

The previous prime is 61110530685497. The next prime is 61110530685509. The reversal of 61110530685505 is 50558603501116.

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 61110530685505 - 2³ = 61110530685497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61110530685509) 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, 873007581187 + ... + 873007581256.

It is an arithmetic number, because the mean of its divisors is an integer number (10476090974664).

Almost surely, 2^{61110530685505} is an apocalyptic number.

It is an amenable number.

61110530685505 is a deficient number, since it is larger than the sum of its proper divisors (22698197111807).

61110530685505 is a wasteful number, since it uses less digits than its factorization.

61110530685505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746015162455.

The product of its (nonzero) digits is 540000, while the sum is 46.

The spelling of 61110530685505 in words is "sixty-one trillion, one hundred ten billion, five hundred thirty million, six hundred eighty-five thousand, five hundred five".