115883620721 has 8 divisors (see below), whose sum is σ = 126521205888. Its totient is φ = 105263154000.

The previous prime is 115883620687. The next prime is 115883620753. The reversal of 115883620721 is 127026388511.

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

It is a cyclic number.

It is not a de Polignac number, because 115883620721 - 2²⁶ = 115816511857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115883620771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4265450 + ... + 4292531.

It is an arithmetic number, because the mean of its divisors is an integer number (15815150736).

Almost surely, 2^115883620721 is an apocalyptic number.

115883620721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115883620721 is a deficient number, since it is larger than the sum of its proper divisors (10637585167).

115883620721 is a wasteful number, since it uses less digits than its factorization.

115883620721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559223.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 115883620721 in words is "one hundred fifteen billion, eight hundred eighty-three million, six hundred twenty thousand, seven hundred twenty-one".