115445066551 has 4 divisors (see below), whose sum is σ = 115445925000. Its totient is φ = 115444208104.

The previous prime is 115445066519. The next prime is 115445066593. The reversal of 115445066551 is 155660544511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 115445066551 - 2⁵ = 115445066519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115445066498 and 115445066507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115445066851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178801 + ... + 512698.

It is an arithmetic number, because the mean of its divisors is an integer number (28861481250).

Almost surely, 2^115445066551 is an apocalyptic number.

115445066551 is a deficient number, since it is larger than the sum of its proper divisors (858449).

115445066551 is an equidigital number, since it uses as much as digits as its factorization.

115445066551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858448.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 115445066551 in words is "one hundred fifteen billion, four hundred forty-five million, sixty-six thousand, five hundred fifty-one".