61707359211 has 4 divisors (see below), whose sum is σ = 82276478952. Its totient is φ = 41138239472.

The previous prime is 61707359201. The next prime is 61707359213. The reversal of 61707359211 is 11295370716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61707359211 - 2²² = 61703164907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61707359213) 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, 10284559866 + ... + 10284559871.

It is an arithmetic number, because the mean of its divisors is an integer number (20569119738).

Almost surely, 2^61707359211 is an apocalyptic number.

61707359211 is a deficient number, since it is larger than the sum of its proper divisors (20569119741).

61707359211 is a wasteful number, since it uses less digits than its factorization.

61707359211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20569119740.

The product of its (nonzero) digits is 79380, while the sum is 42.

The spelling of 61707359211 in words is "sixty-one billion, seven hundred seven million, three hundred fifty-nine thousand, two hundred eleven".