115487734771 has 6 divisors (see below), whose sum is σ = 122680742780. Its totient is φ = 108694338336.

The previous prime is 115487734759. The next prime is 115487734777. The reversal of 115487734771 is 177437784511.

It is a happy number.

It is not a de Polignac number, because 115487734771 - 2⁷ = 115487734643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115487734777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199805481 + ... + 199806058.

Almost surely, 2^115487734771 is an apocalyptic number.

115487734771 is a deficient number, since it is larger than the sum of its proper divisors (7193008009).

115487734771 is an equidigital number, since it uses as much as digits as its factorization.

115487734771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399611573 (or 399611556 counting only the distinct ones).

The product of its digits is 4609920, while the sum is 55.

The spelling of 115487734771 in words is "one hundred fifteen billion, four hundred eighty-seven million, seven hundred thirty-four thousand, seven hundred seventy-one".