61112619 has 12 divisors (see below), whose sum is σ = 89185096. Its totient is φ = 40321152.

The previous prime is 61112617. The next prime is 61112621. The reversal of 61112619 is 91621116.

It is an interprime number because it is at equal distance from previous prime (61112617) and next prime (61112621).

It is not a de Polignac number, because 61112619 - 2¹ = 61112617 is a prime.

It is a super-2 number, since 2×61112619² = 7469504402078322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61112592 and 61112601.

It is not an unprimeable number, because it can be changed into a prime (61112617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34129 + ... + 35874.

Almost surely, 2^61112619 is an apocalyptic number.

61112619 is a deficient number, since it is larger than the sum of its proper divisors (28072477).

61112619 is a wasteful number, since it uses less digits than its factorization.

61112619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70106 (or 70103 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 61112619 is about 7817.4560440082. The cubic root of 61112619 is about 393.8918231364.

The spelling of 61112619 in words is "sixty-one million, one hundred twelve thousand, six hundred nineteen".