116415209209745 has 8 divisors (see below), whose sum is σ = 139831423842600. Its totient is φ = 93043385507200.

The previous prime is 116415209209723. The next prime is 116415209209763. The reversal of 116415209209745 is 547902902514611.

It is a Cunningham number, because it is equal to 10789588²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 12475532613184 + 103939676596561 = 3532072^2 + 10195081^2 .

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

It is not a de Polignac number, because 116415209209745 - 2⁶ = 116415209209681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11097726806 + ... + 11097737295.

It is an arithmetic number, because the mean of its divisors is an integer number (17478927980325).

Almost surely, 2^{116415209209745} is an apocalyptic number.

It is an amenable number.

116415209209745 is a deficient number, since it is larger than the sum of its proper divisors (23416214632855).

116415209209745 is a wasteful number, since it uses less digits than its factorization.

116415209209745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22195465155.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 116415209209745 in words is "one hundred sixteen trillion, four hundred fifteen billion, two hundred nine million, two hundred nine thousand, seven hundred forty-five".