61170056111 has 8 divisors (see below), whose sum is σ = 63837940320. Its totient is φ = 58502864992.

The previous prime is 61170056093. The next prime is 61170056113. The reversal of 61170056111 is 11165007116.

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-61170056111 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 (61170056113) 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, 11285 + ... + 349953.

It is an arithmetic number, because the mean of its divisors is an integer number (7979742540).

Almost surely, 2^61170056111 is an apocalyptic number.

61170056111 is a deficient number, since it is larger than the sum of its proper divisors (2667884209).

61170056111 is a wasteful number, since it uses less digits than its factorization.

61170056111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346545.

The product of its (nonzero) digits is 1260, while the sum is 29.

The spelling of 61170056111 in words is "sixty-one billion, one hundred seventy million, fifty-six thousand, one hundred eleven".