115405866406 has 16 divisors (see below), whose sum is σ = 178670364480. Its totient is φ = 55878273000.

The previous prime is 115405866403. The next prime is 115405866439. The reversal of 115405866406 is 604668504511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115405866403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7290720 + ... + 7306531.

It is an arithmetic number, because the mean of its divisors is an integer number (11166897780).

Almost surely, 2^115405866406 is an apocalyptic number.

115405866406 is a deficient number, since it is larger than the sum of its proper divisors (63264498074).

115405866406 is a wasteful number, since it uses less digits than its factorization.

115405866406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597379.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 115405866406 in words is "one hundred fifteen billion, four hundred five million, eight hundred sixty-six thousand, four hundred six".