61013766705 has 32 divisors (see below), whose sum is σ = 98257453056. Its totient is φ = 32329458624.

The previous prime is 61013766673. The next prime is 61013766707. The reversal of 61013766705 is 50766731016.

It is not a de Polignac number, because 61013766705 - 2⁵ = 61013766673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61013766707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1664404 + ... + 1700666.

It is an arithmetic number, because the mean of its divisors is an integer number (3070545408).

Almost surely, 2^61013766705 is an apocalyptic number.

It is an amenable number.

61013766705 is a deficient number, since it is larger than the sum of its proper divisors (37243686351).

61013766705 is a wasteful number, since it uses less digits than its factorization.

61013766705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36997.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 61013766705 in words is "sixty-one billion, thirteen million, seven hundred sixty-six thousand, seven hundred five".