115447707388 has 24 divisors (see below), whose sum is σ = 217619670240. Its totient is φ = 53272501440.

The previous prime is 115447707373. The next prime is 115447707481. The reversal of 115447707388 is 883707744511.

It is a super-2 number, since 2×115447707388² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 25398 + ... + 481186.

It is an arithmetic number, because the mean of its divisors is an integer number (9067486260).

Almost surely, 2^115447707388 is an apocalyptic number.

It is an amenable number.

115447707388 is a deficient number, since it is larger than the sum of its proper divisors (102171962852).

115447707388 is a wasteful number, since it uses less digits than its factorization.

115447707388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460677 (or 460675 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 115447707388 in words is "one hundred fifteen billion, four hundred forty-seven million, seven hundred seven thousand, three hundred eighty-eight".