115954129543 has 12 divisors (see below), whose sum is σ = 134894554752. Its totient is φ = 99382520160.

The previous prime is 115954129531. The next prime is 115954129549. The reversal of 115954129543 is 345921459511.

It is not a de Polignac number, because 115954129543 - 2¹⁷ = 115953998471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115954129549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733963 + ... + 877843.

It is an arithmetic number, because the mean of its divisors is an integer number (11241212896).

Almost surely, 2^115954129543 is an apocalyptic number.

115954129543 is a deficient number, since it is larger than the sum of its proper divisors (18940425209).

115954129543 is a wasteful number, since it uses less digits than its factorization.

115954129543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160342 (or 160335 counting only the distinct ones).

The product of its digits is 972000, while the sum is 49.

The spelling of 115954129543 in words is "one hundred fifteen billion, nine hundred fifty-four million, one hundred twenty-nine thousand, five hundred forty-three".