61110030 has 32 divisors (see below), whose sum is σ = 148857984. Its totient is φ = 16052256.

The previous prime is 61109999. The next prime is 61110089. The reversal of 61110030 is 3001116.

It is a junction number, because it is equal to n+sod(n) for n = 61109988 and 61110015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13192 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (4651812).

Almost surely, 2^61110030 is an apocalyptic number.

61110030 is an abundant number, since it is smaller than the sum of its proper divisors (87747954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61110030 is a wasteful number, since it uses less digits than its factorization.

61110030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30480.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 61110030 is about 7817.2904513009. The cubic root of 61110030 is about 393.8862607264.

Adding to 61110030 its reverse (3001116), we get a palindrome (64111146).

The spelling of 61110030 in words is "sixty-one million, one hundred ten thousand, thirty".