115283266521 has 8 divisors (see below), whose sum is σ = 153713614080. Its totient is φ = 76854214992.

The previous prime is 115283266507. The next prime is 115283266541. The reversal of 115283266521 is 125662382511.

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

It is not a de Polignac number, because 115283266521 - 2²² = 115279072217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115283266541) 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, 92905 + ... + 489078.

It is an arithmetic number, because the mean of its divisors is an integer number (19214201760).

Almost surely, 2^115283266521 is an apocalyptic number.

It is an amenable number.

115283266521 is a deficient number, since it is larger than the sum of its proper divisors (38430347559).

115283266521 is an equidigital number, since it uses as much as digits as its factorization.

115283266521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648015.

The product of its digits is 172800, while the sum is 42.

The spelling of 115283266521 in words is "one hundred fifteen billion, two hundred eighty-three million, two hundred sixty-six thousand, five hundred twenty-one".