61101402630 has 16 divisors (see below), whose sum is σ = 146643366384. Its totient is φ = 16293707360.

The previous prime is 61101402623. The next prime is 61101402647. The reversal of 61101402630 is 3620410116.

It is a self number, because there is not a number n which added to its sum of digits gives 61101402630.

It is a congruent number.

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, 1018356681 + ... + 1018356740.

It is an arithmetic number, because the mean of its divisors is an integer number (9165210399).

Almost surely, 2^61101402630 is an apocalyptic number.

61101402630 is an abundant number, since it is smaller than the sum of its proper divisors (85541963754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61101402630 is a wasteful number, since it uses less digits than its factorization.

61101402630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036713431.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 61101402630 its reverse (3620410116), we get a palindrome (64721812746).

The spelling of 61101402630 in words is "sixty-one billion, one hundred one million, four hundred two thousand, six hundred thirty".