61550656660105 has 16 divisors (see below), whose sum is σ = 74967428571840. Its totient is φ = 48502848094272.

The previous prime is 61550656660067. The next prime is 61550656660133. The reversal of 61550656660105 is 50106665605516.

61550656660105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61550656660105 - 2¹⁵ = 61550656627337 is a prime.

It is a super-2 number, since 2×61550656660105² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743691 + ... + 11119999.

It is an arithmetic number, because the mean of its divisors is an integer number (4685464285740).

Almost surely, 2^{61550656660105} is an apocalyptic number.

It is an amenable number.

61550656660105 is a deficient number, since it is larger than the sum of its proper divisors (13416771911735).

61550656660105 is a wasteful number, since it uses less digits than its factorization.

61550656660105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394088.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 61550656660105 in words is "sixty-one trillion, five hundred fifty billion, six hundred fifty-six million, six hundred sixty thousand, one hundred five".