610505111050 has 24 divisors (see below), whose sum is σ = 1195304745600. Its totient is φ = 231349304880.

The previous prime is 610505111033. The next prime is 610505111057. The reversal of 610505111050 is 50111505016.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (610505111057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321317530 + ... + 321319429.

It is an arithmetic number, because the mean of its divisors is an integer number (49804364400).

Almost surely, 2^610505111050 is an apocalyptic number.

610505111050 is a deficient number, since it is larger than the sum of its proper divisors (584799634550).

610505111050 is a wasteful number, since it uses less digits than its factorization.

610505111050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642636990 (or 642636985 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 610505111050 its reverse (50111505016), we get a palindrome (660616616066).

The spelling of 610505111050 in words is "six hundred ten billion, five hundred five million, one hundred eleven thousand, fifty".