61366426115 has 16 divisors (see below), whose sum is σ = 74336417760. Its totient is φ = 48628926720.

The previous prime is 61366426087. The next prime is 61366426117. The reversal of 61366426115 is 51162466316.

It is not a de Polignac number, because 61366426115 - 2¹⁰ = 61366425091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61366426117) 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 15 ways as a sum of consecutive naturals, for example, 2180735 + ... + 2208695.

It is an arithmetic number, because the mean of its divisors is an integer number (4646026110).

Almost surely, 2^61366426115 is an apocalyptic number.

61366426115 is a deficient number, since it is larger than the sum of its proper divisors (12969991645).

61366426115 is a wasteful number, since it uses less digits than its factorization.

61366426115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32102.

The product of its digits is 155520, while the sum is 41.

The spelling of 61366426115 in words is "sixty-one billion, three hundred sixty-six million, four hundred twenty-six thousand, one hundred fifteen".