61119986 has 4 divisors (see below), whose sum is σ = 91679982. Its totient is φ = 30559992.

The previous prime is 61119959. The next prime is 61120001. The reversal of 61119986 is 68991116.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 39450961 + 21669025 = 6281^2 + 4655^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15279995 + ... + 15279998.

Almost surely, 2^61119986 is an apocalyptic number.

61119986 is a deficient number, since it is larger than the sum of its proper divisors (30559996).

61119986 is a wasteful number, since it uses less digits than its factorization.

61119986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30559995.

The product of its digits is 23328, while the sum is 41.

The square root of 61119986 is about 7817.9272188989. The cubic root of 61119986 is about 393.9076501157.

The spelling of 61119986 in words is "sixty-one million, one hundred nineteen thousand, nine hundred eighty-six".