61361511110 has 16 divisors (see below), whose sum is σ = 110478902400. Its totient is φ = 24538341696.

The previous prime is 61361511089. The next prime is 61361511119. The reversal of 61361511110 is 1111516316.

It is a self number, because there is not a number n which added to its sum of digits gives 61361511110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61361511119) by changing a digit.

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, 741590 + ... + 820169.

It is an arithmetic number, because the mean of its divisors is an integer number (6904931400).

Almost surely, 2^61361511110 is an apocalyptic number.

61361511110 is a deficient number, since it is larger than the sum of its proper divisors (49117391290).

61361511110 is a wasteful number, since it uses less digits than its factorization.

61361511110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565695.

The product of its (nonzero) digits is 540, while the sum is 26.

The spelling of 61361511110 in words is "sixty-one billion, three hundred sixty-one million, five hundred eleven thousand, one hundred ten".