115442666546 has 8 divisors (see below), whose sum is σ = 173290124844. Its totient is φ = 57679291600.

The previous prime is 115442666539. The next prime is 115442666567. The reversal of 115442666546 is 645666244511.

It can be written as a sum of positive squares in 2 ways, for example, as 112299382321 + 3143284225 = 335111^2 + 56065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 115442666494 and 115442666503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21017405 + ... + 21022896.

Almost surely, 2^115442666546 is an apocalyptic number.

115442666546 is a deficient number, since it is larger than the sum of its proper divisors (57847458298).

115442666546 is a wasteful number, since it uses less digits than its factorization.

115442666546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42041676.

The product of its digits is 4147200, while the sum is 50.

The spelling of 115442666546 in words is "one hundred fifteen billion, four hundred forty-two million, six hundred sixty-six thousand, five hundred forty-six".