61009112 has 8 divisors (see below), whose sum is σ = 114392100. Its totient is φ = 30504552.

The previous prime is 61009103. The next prime is 61009121. The reversal of 61009112 is 21190016.

It is an interprime number because it is at equal distance from previous prime (61009103) and next prime (61009121).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×61009112² = 7444223494057088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3813062 + ... + 3813077.

Almost surely, 2^61009112 is an apocalyptic number.

It is an amenable number.

61009112 is a deficient number, since it is larger than the sum of its proper divisors (53382988).

61009112 is a wasteful number, since it uses less digits than its factorization.

61009112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626145 (or 7626141 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 61009112 is about 7810.8329901490. The cubic root of 61009112 is about 393.6693180788.

Adding to 61009112 its reverse (21190016), we get a palindrome (82199128).

The spelling of 61009112 in words is "sixty-one million, nine thousand, one hundred twelve".