61111050010 has 16 divisors (see below), whose sum is σ = 110035011816. Its totient is φ = 24436615168.

The previous prime is 61111049981. The next prime is 61111050019. The reversal of 61111050010 is 1005011116.

It can be written as a sum of positive squares in 4 ways, for example, as 53232179841 + 7878870169 = 230721^2 + 88763^2 .

It is not an unprimeable number, because it can be changed into a prime (61111050019) 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 7 ways as a sum of consecutive naturals, for example, 942667 + ... + 1005406.

Almost surely, 2^61111050010 is an apocalyptic number.

61111050010 is a deficient number, since it is larger than the sum of its proper divisors (48923961806).

61111050010 is a wasteful number, since it uses less digits than its factorization.

61111050010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951217.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 61111050010 its reverse (1005011116), we get a palindrome (62116061126).

The spelling of 61111050010 in words is "sixty-one billion, one hundred eleven million, fifty thousand, ten".