61105100030 has 32 divisors (see below), whose sum is σ = 121651244064. Its totient is φ = 21952100736.

The previous prime is 61105099997. The next prime is 61105100039. The reversal of 61105100030 is 3000150116.

It is a junction number, because it is equal to n+sod(n) for n = 61105099981 and 61105100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61105100039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6347072 + ... + 6356691.

It is an arithmetic number, because the mean of its divisors is an integer number (3801601377).

Almost surely, 2^61105100030 is an apocalyptic number.

61105100030 is a deficient number, since it is larger than the sum of its proper divisors (60546144034).

61105100030 is a wasteful number, since it uses less digits than its factorization.

61105100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12703820.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 61105100030 its reverse (3000150116), we get a palindrome (64105250146).

The spelling of 61105100030 in words is "sixty-one billion, one hundred five million, one hundred thousand, thirty".