61105005050 has 48 divisors (see below), whose sum is σ = 119771298432. Its totient is φ = 23147784000.

The previous prime is 61105005029. The next prime is 61105005103. The reversal of 61105005050 is 5050050116.

61105005050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146894 + ... + 379193.

It is an arithmetic number, because the mean of its divisors is an integer number (2495235384).

Almost surely, 2^61105005050 is an apocalyptic number.

61105005050 is a deficient number, since it is larger than the sum of its proper divisors (58666293382).

61105005050 is a wasteful number, since it uses less digits than its factorization.

61105005050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526223 (or 526218 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 61105005050 its reverse (5050050116), we get a palindrome (66155055166).

The spelling of 61105005050 in words is "sixty-one billion, one hundred five million, five thousand, fifty".