115721147030 has 16 divisors (see below), whose sum is σ = 209355418800. Its totient is φ = 46053491232.

The previous prime is 115721147027. The next prime is 115721147051. The reversal of 115721147030 is 30741127511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29368880 + ... + 29372819.

It is an arithmetic number, because the mean of its divisors is an integer number (13084713675).

Almost surely, 2^115721147030 is an apocalyptic number.

115721147030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115721147030 is a deficient number, since it is larger than the sum of its proper divisors (93634271770).

115721147030 is a wasteful number, since it uses less digits than its factorization.

115721147030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58741903.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 115721147030 in words is "one hundred fifteen billion, seven hundred twenty-one million, one hundred forty-seven thousand, thirty".