61117195 has 4 divisors (see below), whose sum is σ = 73340640. Its totient is φ = 48893752.

The previous prime is 61117171. The next prime is 61117241. The reversal of 61117195 is 59171116.

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 61117195 - 2¹⁵ = 61084427 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111715 + ... + 6111724.

It is an arithmetic number, because the mean of its divisors is an integer number (18335160).

Almost surely, 2^61117195 is an apocalyptic number.

61117195 is a deficient number, since it is larger than the sum of its proper divisors (12223445).

61117195 is a wasteful number, since it uses less digits than its factorization.

61117195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223444.

The product of its digits is 1890, while the sum is 31.

The square root of 61117195 is about 7817.7487168622. The cubic root of 61117195 is about 393.9016541884.

The spelling of 61117195 in words is "sixty-one million, one hundred seventeen thousand, one hundred ninety-five".