61112899 has 8 divisors (see below), whose sum is σ = 62740160. Its totient is φ = 59507136.

The previous prime is 61112897. The next prime is 61112917. The reversal of 61112899 is 99821116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61112899 - 2¹ = 61112897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61112897) 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, 469 + ... + 11065.

It is an arithmetic number, because the mean of its divisors is an integer number (7842520).

Almost surely, 2^61112899 is an apocalyptic number.

61112899 is a deficient number, since it is larger than the sum of its proper divisors (1627261).

61112899 is a wasteful number, since it uses less digits than its factorization.

61112899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10749.

The product of its digits is 7776, while the sum is 37.

The square root of 61112899 is about 7817.4739526269. The cubic root of 61112899 is about 393.8924247009.

The spelling of 61112899 in words is "sixty-one million, one hundred twelve thousand, eight hundred ninety-nine".