61123154330 has 16 divisors (see below), whose sum is σ = 125739060480. Its totient is φ = 20956510032.

The previous prime is 61123154329. The next prime is 61123154347. The reversal of 61123154330 is 3345132116.

It is a junction number, because it is equal to n+sod(n) for n = 61123154293 and 61123154302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436593890 + ... + 436594029.

It is an arithmetic number, because the mean of its divisors is an integer number (7858691280).

Almost surely, 2^61123154330 is an apocalyptic number.

61123154330 is an abundant number, since it is smaller than the sum of its proper divisors (64615906150).

61123154330 is a wasteful number, since it uses less digits than its factorization.

61123154330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873187933.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 61123154330 its reverse (3345132116), we get a palindrome (64468286446).

The spelling of 61123154330 in words is "sixty-one billion, one hundred twenty-three million, one hundred fifty-four thousand, three hundred thirty".